Protect and insulate your electrical connections with Techspan's Thin Wall Heat Shrink Tubing. This flexible, polyolefin tubing offers a reliable 2:1 shrink ratio, making it ideal for a wide range of applications. Available in a convenient 4-foot length and a sleek black color, it's designed for easy installation and durable performance.This Techspan heat shrink tubing is a flexible, thin-wall solution designed for electrical insulation and protection. It features a 2:1 shrink ratio and is made from polyolefin material. The tubing operates within a temperature range of -45 to 125 degrees Celsius, with a shrink temperature of 120 degrees Celsius. It is rated for 600 VAC and has an expanded inner diameter of 1/2 inch, recovering to 1/4 inch with a wall thickness of 0.024 inches.