Gardner Bender HST-750 Heat Shrink Tubing, 3/4 to 3/8 in Dia, 4 in L, Polyolefin, Black

The Gardner Bender 3/4 in heat shrink tubing provides abrasion and moisture protection for electrical wire and cable. This tubing is constructed of flame-retardant polyolefin.Tests for 7 common wiring errors plus GFI circuitsBuilt-in GFCI test button, test both standard and GFCI receptacles for proper wiringColor-coded lamps and chart indicate status of circuit wiringCompact sizeExcellent product to repair appliance, extension or small electronic cords that are exposing bare wire600 V/mil dielectric strength2:1 shrink ratio means tubing shrinks to 1/2 it’s ID sizeSelf-extinguishing tubing will not drip, crack or flow when heated to shrink temperatures