GB HST-750 Heat Shrink Tubing, 3/4 to 3/8 in Dia, 4 in L, Polyolefin, Black [SKU: ORG6748693]

Tests for 7 common wiring errors plus GFI circuits, Built-in GFCI test button, test both standard and GFCI receptacles for proper wiring, Color-coded lamps and chart indicate status of circuit wiring, Compact size, Excellent product to repair appliance, extension or small electronic cords that are exposing bare wire, 600 V/mil dielectric strength, 2:1 shrink ratio means tubing shrinks to 1/2 it's ID size, Self-extinguishing tubing will not drip, crack or flow when heated to shrink temperatures, For cable insulation, marking and bundling. [QTY/UOM: 2 / 1CD]