Heat-Shrink-Tubing-Set-52pc-Sealey-BHS52-Heat-shrink-tubes-suitable-for-both-electrical-or-water-proof-insulation-Black-waterproof-dual-wall-polyethylene-tubing-with-adhesive-lining-&-a-shrink-ratio-of-3-1-Coloured-electrical-polyethylene-tubing-with-a-shrink-ratio-of-2-1-when-heated-to-110ºC-Both-types-with-an-overall-length-of-75mm-Heat-Shrink-Tubing-Set-52pc