Heatshrink set Blk Shrinkage:2:1 63 Parts - TruComponents 30509, The TruComponents TC-6793936 Heatshrink set is a versatile solution for insulating and protecting electrical connections. This black heat shrink tubing, with a shrinkage ratio of 3:1, comes in a set of 100 pieces, making it ideal for various applications including wiring repairs, bundling, and mechanical strain relief. Designed for durability and ease of use, it is an essential component for both professional electricians and DIY enthusiasts. TruComponents 30509 Heatshrink set Blk Shrinkage:3:1 100 pc(s)