What are Heat Shrink Boots, Caps ?
Heat Shrink Boots, Caps are protective coverings designed to insulate and secure electrical connections. They are widely used in applications such as board-to-board and cable interconnects, as well as in production electronics assembly. Important specifications for selection include Color, which aids in identification; Material, which affects durability and heat resistance; and Large Diameter Recovered, which ensures a proper fit over connectors. Procurement teams should validate lifecycle status and consider alternate-source options to mitigate sourcing risks.
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| Part & Mfr | Color | Features | Large Diameter Recovered | Large Diameter Supplied | Large Recovered Length | Material | Shell Size | Small Diameter Recovered | Small Diameter Supplied | Small Recovered Length | Total Length Recovered | Type | |||
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TE Connectivity
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Black | Flame Retardant, Fluid Resistant, Fuel Resistant, Heat Resistant, Lip | 1.343" (34.11mm) | 1.717" (43.61mm) | 1.031" (26.19mm) | Fluoroelastomer (FKM), Flexible, Irradiated | 63 | 0.142" (3.61mm) | 0.307" (7.80mm) | 2.272" (57.71mm) | 3.921" (99.59mm) | Boot | |
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TE Connectivity
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Black | - | 0.600" (15.24mm) | 1.200" (30.48mm) | - | Elastomer, Fluid Resistant | 23 | 0.170" (4.32mm) | 0.500" (12.70mm) | 1.110" (28.19mm) | 2.110" (53.59mm) | Boot, Transition - Breakout, 2:1 | |
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TE Connectivity
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Black | Abrasion Resistant, Adhesive Coating, Corrosion Resistant, Flame Retardant, Weather Resistant | 0.750" (19.05mm) | 1.496" (38.00mm) | 2.650" (67.31mm) | Polyolefin (PO), Flexible | - | 0.130" (3.30mm) | 0.410" (10.41mm) | 1.417" (35.99mm) | - | Boot, Transition - Breakout, 8:1 | |
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TE Connectivity
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Black | - | 2.030" (51.56mm) | 2.030" (51.56mm) | 6.210" (157.73mm) | EPB, Flexible | 74 | 0.590" (14.99mm) | 1.790" (45.47mm) | 0.600" (15.24mm) | 8.000" (203.20mm) | Boot | |
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TE Connectivity
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Black | - | 1.311" (33.30mm) | 3.280" (83.31mm) | 4.772" (121.21mm) | Polyolefin (PO), Flexible | 14 | 1.311" (33.30mm) | 2.161" (54.89mm) | 4.772" (121.21mm) | 9.539" (242.29mm) | Boot, Transition - Breakout, 2:1 (T) | |
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TE Connectivity
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Black | - | 0.600" (15.24mm) | 1.260" (32.00mm) | 2.400" (60.96mm) | Polyolefin (PO), Semi-Rigid | 23 | 0.170" (4.32mm) | 0.750" (19.05mm) | 0.800" (20.32mm) | - | Boot, Transition - Breakout, 2:1 (Y) | |
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TE Connectivity
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Black | Flame Retardant, Fluid Resistant, Fuel Resistant, Heat Resistant, Lip | 1.622" (41.20mm) | 1.970" (50.04mm) | 0.819" (20.80mm) | Fluoroelastomer (FKM), Flexible, Irradiated | 74 | 0.559" (14.20mm) | 1.240" (31.50mm) | 6.209" (157.71mm) | 8.000" (203.20mm) | Boot | |
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Black | - | 0.800" (20.32mm) | 1.350" (34.29mm) | 2.500" (63.50mm) | Elastomer, Fluid Resistant | 23 | 0.190" (4.83mm) | 0.480" (12.19mm) | - | 3.500" (88.90mm) | Boot, Transition - Breakout, 4:1 | |
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TE Connectivity
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TE Connectivity
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Black | - | 0.880" (22.35mm) | 1.260" (32.00mm) | 1.380" (35.05mm) | Fluoroelastomer (FKM), Flexible | 52 | 0.330" (8.38mm) | 1.260" (32.00mm) | 0.570" (14.48mm) | 1.720" (43.69mm) | Boot - 90° | |
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TE Connectivity
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Black | - | 0.520" (13.21mm) | 1.071" (27.20mm) | 0.480" (12.19mm) | Fluoropolymer | - | 0.480" (12.19mm) | 1.071" (27.20mm) | 3.441" (87.40mm) | 4.772" (121.21mm) | Boot | |
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TE Connectivity
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Black | - | 0.250" (6.35mm) | 1.020" (25.91mm) | 1.340" (34.04mm) | Fluoroelastomer (FKM), Flexible | 4 | 0.220" (5.59mm) | 0.630" (16.00mm) | 2.200" (55.88mm) | 3.540" (89.92mm) | Boot, Transition - Side Breakout, 30° | |
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TE Connectivity
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- | - | 0.531" (13.49mm) | 1.118" (28.40mm) | 2.760" (70.10mm) | Elastomer | - | 0.531" (13.49mm) | 1.059" (26.90mm) | 3.161" (80.29mm) | 5.909" (150.09mm) | Boot, Transition - Side Breakout, 45° | |
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TE Connectivity
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TE Connectivity
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Black | Flame Retardant, Fluid Resistant, Fuel Resistant, Heat Resistant, Lip | 1.618" (41.10mm) | 1.970" (50.04mm) | 1.161" (29.49mm) | Fluoroelastomer (FKM), Flexible, Irradiated | 74 | 0.559" (14.20mm) | 1.240" (31.50mm) | 6.819" (173.20mm) | 8.839" (224.51mm) | Boot - 90° | |
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TE Connectivity
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Black | - | 2.181" (55.40mm) | 3.449" (87.60mm) | 3.118" (79.20mm) | Polyolefin (PO), Semi-Flexible | 96 | 0.921" (23.39mm) | 2.480" (62.99mm) | 3.449" (87.60mm) | - | Boot - 90° | |
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TE Connectivity
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Black | - | 0.618" (15.70mm) | 1.201" (30.51mm) | 1.252" (31.80mm) | Fluoroelastomer (FKM), Flexible | 14 | 0.421" (10.69mm) | 0.787" (19.99mm) | 2.000" (50.80mm) | 3.252" (82.60mm) | Boot, Transition - Side Breakout, 30° | |
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TE Connectivity
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TE Connectivity
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Black | - | 0.740" (18.80mm) | 0.870" (22.10mm) | 1.098" (27.89mm) | NBCCS, Flexible | 46 | 0.311" (7.90mm) | 0.811" (20.60mm) | 0.551" (14.00mm) | 2.098" (53.29mm) | Boot | |
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TE Connectivity
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Black | Flame Retardant, Fluid Resistant, Fuel Resistant, Heat Resistant, Lip | 1.340" (34.04mm) | 1.720" (43.69mm) | 1.079" (27.41mm) | Fluoroelastomer (FKM), Flexible, Irradiated | 63 | 0.480" (12.19mm) | 1.071" (27.20mm) | 6.661" (169.19mm) | 8.409" (213.59mm) | Boot - 90° | |
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TE Connectivity
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Black | Flame Retardant, Fluid Resistant, Fuel Resistant, Heat Resistant, Lip | 1.343" (34.11mm) | 1.717" (43.61mm) | 1.031" (26.19mm) | Fluoroelastomer (FKM), Flexible, Irradiated | 63 | 0.142" (3.61mm) | 0.307" (7.80mm) | 2.272" (57.71mm) | 3.921" (99.59mm) | Boot | |
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TE Connectivity
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Black | - | 0.800" (20.32mm) | 1.350" (34.29mm) | 2.500" (63.50mm) | Elastomer, Fluid Resistant | 23 | 0.190" (4.83mm) | 0.480" (12.19mm) | - | 3.500" (88.90mm) | Boot, Transition - Breakout, 4:1 | |
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TE Connectivity
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Black | - | 0.800" (20.32mm) | 1.350" (34.29mm) | 2.500" (63.50mm) | Polyolefin (PO), Semi-Rigid | 23 | 0.190" (4.83mm) | 0.480" (12.19mm) | - | 3.500" (88.90mm) | Boot, Transition - Breakout, 4:1 | |
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TE Connectivity
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- | - | - | - | - | - | - | - | - | - | - | - | |
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TE Connectivity
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Black | - | 0.260" (6.60mm) | 0.780" (19.81mm) | 1.591" (40.41mm) | NBCCS, Flexible | - | 0.220" (5.59mm) | 0.520" (13.21mm) | 1.591" (40.41mm) | 3.181" (80.80mm) | Boot, Transition - Breakout, 2:1 (T) | |
TE Connectivity
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Black | - | 0.449" (11.40mm) | 1.350" (34.29mm) | 2.480" (62.99mm) | Fluoroelastomer (FKM), Flexible | 2 | 0.449" (11.40mm) | 0.902" (22.91mm) | 2.480" (62.99mm) | - | Boot, Transition - Breakout, 2:1 (Y) | |
TE Connectivity
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Black | - | 1.000" (25.40mm) | 1.310" (33.27mm) | 2.120" (53.85mm) | Elastomer, Fluid Resistant | 14 | 0.170" (4.32mm) | 0.450" (11.43mm) | 0.880" (22.35mm) | 3.430" (87.12mm) | Boot, Transition - Breakout, 5:1 | |
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TE Connectivity
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Black | - | 0.449" (11.40mm) | 1.201" (30.51mm) | 2.480" (62.99mm) | EPB | 12 | 0.300" (7.62mm), 0.902" (22.91mm) | 0.600" (15.24mm), 0.900" (22.86mm) | 2.480" (62.99mm) | - | Boot, Transition - Breakout, 2:1 (Y) | |
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TE Connectivity
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TE Connectivity
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- | - | 1.000" (25.40mm) | 2.189" (55.60mm) | 3.760" (95.50mm) | Polyolefin (PO), Flexible | - | 0.488" (12.40mm) | 1.059" (26.90mm) | 3.402" (86.41mm) | - | Boot, Transition - Side Breakout, 45° | |
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TE Connectivity
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Black | Flame Retardant, Fluid Resistant, Mechanical Resistant | 1.189" (30.20mm) | 2.189" (55.60mm) | 3.201" (81.31mm) | Polyolefin (PO), Semi-Flexible, Halogen Free, Irradiated | 48 | 1.189" (30.20mm) | 2.189" (55.60mm) | 3.201" (81.31mm) | 6.398" (162.51mm) | Boot, Transition - Breakout, 2:1 (T) | |
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TE Connectivity
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Black | Flame Retardant, Fluid Resistant, Fuel Resistant, Heat Resistant, Lip | 1.340" (34.04mm) | 1.720" (43.69mm) | 0.780" (19.81mm) | Fluoroelastomer (FKM), Flexible, Irradiated | 63 | 0.480" (12.19mm) | 1.071" (27.20mm) | 6.421" (163.09mm) | 8.000" (203.20mm) | Boot | |
TE Connectivity
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Black | - | 0.500" (12.70mm) | 1.060" (26.92mm) | 1.618" (41.10mm) | Fluoroelastomer (FKM), Flexible | 24 | 0.142" (3.61mm) | 0.260" (6.60mm) | 1.409" (35.79mm) | 3.642" (92.51mm) | Boot, Transition - Side Breakout, 45° | |
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TE Connectivity
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Black | - | 0.449" (11.40mm) | 1.350" (34.29mm) | 1.480" (37.59mm) | Fluoroelastomer (FKM), Flexible | 2 | 0.449" (11.40mm) | 0.902" (22.91mm) | 1.480" (37.59mm) | - | Boot, Transition - Breakout, 2:1 (Y) | |
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TE Connectivity
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Black | Flame Retardant, Lip | 0.728" (18.49mm) | 1.220" (30.99mm) | 0.480" (12.19mm) | Fluoropolymer | 32 | 0.370" (9.40mm) | 1.220" (30.99mm) | 4.110" (104.39mm) | 5.461" (138.71mm) | Boot | |
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TE Connectivity
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Black | - | 0.728" (18.49mm) | 1.220" (30.99mm) | 0.480" (12.19mm) | Fluoropolymer | - | 0.480" (12.19mm) | 1.220" (30.99mm) | 4.110" (104.39mm) | 5.461" (138.71mm) | Boot | |
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TE Connectivity
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- | - | - | - | - | - | - | - | - | - | - | Boot - 90° | |
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TE Connectivity
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Black | Adhesive, Flame Retardant, Lip | 1.618" (41.10mm) | 2.031" (51.59mm) | 0.598" (15.19mm) | EPB, Flexible | 74 | 0.591" (15.01mm) | 1.791" (45.49mm) | 6.209" (157.71mm) | 8.000" (203.20mm) | Boot | |
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3M Electronic Solutions
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Black | Adhesive Coating, Flame Retardant | 1.450" (36.83mm) | 2.390" (60.71mm) | - | Polyolefin (PO), Semi-Rigid | - | 0.350" (8.89mm) | 0.800" (20.32mm) | 2.000" (50.80mm) | 5.400" (137.16mm) | Boot, Transition - Breakout, 6:1 | |
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Black | - | 0.600" (15.24mm) | 1.200" (30.48mm) | 2.100" (53.34mm) | Elastomer, Fluid Resistant | 14 | 0.350" (8.89mm) | 0.700" (17.78mm) | 1.300" (33.02mm) | 4.600" (116.84mm) | Boot, Transition - Side Breakout, 90° | |
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TE Connectivity
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Black | Abrasion Resistant, Chemical Resistant, Flame Retardant, Fluid Resistant, Heat Resistant, Strain Resistant | 1.189" (30.20mm) | 2.189" (55.60mm) | 4.850" (123.19mm) | Elastomer, Semi-Rigid, Irradiated | 48 | 1.189" (30.20mm) | 2.189" (55.60mm) | 4.850" (123.19mm) | 9.701" (246.41mm) | Boot, Transition - Breakout, 2:1 (T) | |
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TE Connectivity
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Black | - | 0.791" (20.10mm) | 2.370" (60.20mm) | 4.079" (103.61mm) | Fluoroelastomer (FKM), Flexible | 23 | 0.791" (20.10mm) | 1.421" (36.09mm) | 4.079" (103.61mm) | 8.161" (207.29mm) | Boot, Transition - Breakout, 3:1 | |
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TE Connectivity
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- | - | 1.142" (29.01mm) | 1.173" (29.79mm) | 1.654" (42.01mm) | Elastomer, Semi-Rigid | - | 0.409" (10.39mm) | 0.866" (22.00mm) | 0.709" (18.01mm) | 2.323" (59.00mm) | Boot - 90° | |
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TE Connectivity
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Black | Flame Retardant, Fluid Resistant, Fuel Resistant, Heat Resistant, Lip | 1.340" (34.04mm) | 1.720" (43.69mm) | 0.780" (19.81mm) | Fluoroelastomer (FKM), Flexible, Irradiated | 63 | 0.480" (12.19mm) | 1.071" (27.20mm) | 6.421" (163.09mm) | 8.000" (203.20mm) | Boot | |
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TE Connectivity
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- | - | 0.700" (17.78mm) | 1.000" (25.40mm) | 1.000" (25.40mm) | Fluoroelastomer (FKM), Flexible | 12 | 0.370" (9.40mm) | 1.000" (25.40mm) | 0.420" (10.67mm) | - | Boot - 45° | |
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TE Connectivity
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TE Connectivity
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Black | - | 0.500" (12.70mm) | 1.060" (26.92mm) | 2.118" (53.80mm) | Fluoroelastomer (FKM), Flexible | 34 | 0.230" (5.84mm) | 0.520" (13.21mm) | 1.520" (38.61mm) | 4.240" (107.70mm) | Boot, Transition - Breakout, 2:1 (T) | |
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TE Connectivity
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Black | - | 0.512" (13.00mm) | 1.060" (26.92mm) | 2.039" (51.79mm) | Fluoroelastomer (FKM), Flexible | 43 | 0.272" (6.91mm) | 0.520" (13.21mm) | 1.770" (44.96mm) | - | Boot, Transition - Breakout, 4:1 | |
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TE Connectivity
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Black | - | 1.000" (25.40mm) | 2.190" (55.63mm) | 3.100" (78.74mm) | Elastomer, Fluid Resistant | 37 | 0.490" (12.45mm) | 1.060" (26.92mm) | - | 5.730" (145.54mm) | Boot, Transition - Breakout, 2:1 (T) | |
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TE Connectivity
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Black | - | 0.490" (12.45mm) | 1.060" (26.92mm) | 1.320" (33.53mm) | Polyolefin (PO), Semi-Flexible, Halogen Free | 24 | 0.240" (6.10mm) | 0.520" (13.21mm) | - | 2.640" (67.06mm) | Boot, Transition - Breakout, 2:1 (T) |
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