HellermannTyton Heat Shrink Heatshrink w/o adhesive 630491 - HellermannTyton 333-42400, HellermannTyton's 333-42400 heat shrink is a black tubing with a 24 mm diameter that reduces to 8 mm, boasting a shrinkage ratio of 3:1. This versatile product, sold per metre, is without adhesive, making it ideal for insulating and protecting cables and wires. Common applications include electrical installations, maintenance, and repair tasks where a secure, protective covering is required. HellermannTyton 333-42400 Heatshrink Black 24mm 3:1 Fire Protection