General description Connect Assorted Black Heat Shrink is a versatile tubing solution designed for various applications. This product features a shrink ratio of 2:1 and comes in a convenient assortment of sizes, making it ideal for electrical insulation, wire bundling, and protection against abrasion. Technical specifications Shrink Ratio: 2:1 Lengths: 50mm Sizes: 1.2mm, 1.6mm, 2.4mm, 3.2mm, 4.8mm, 6.4mm, 9.5mm, 12.7mm, 19.1mm Total Pieces: 350