GB HST-500W Heat-Shrink Tubing, 1/2 in Dia, 4 in L, Polyolefin, White

For cable insulation, marking and bundling, with superior mechanical, abrasion and moisture protection. Flame retardant, meets UL 224 VW-1. Resists common fluids and solvents. 2:1 shrink ratio. 3 in L.