Protect your electrical connections with this high-quality, thin-wall heat shrink tubing. Designed for durability and ease of use, it offers excellent insulation and strain relief for a wide range of applications. The 3:1 shrink ratio ensures a tight, secure fit, while the black color provides a clean, professional finish. Rated for 600V, this tubing is suitable for demanding industrial environments.This is a black, thin-wall heat shrink tubing with a 3:1 shrink ratio. It has an expanded inner diameter of 0.375 inches (9.5 mm) and a recovered inner diameter of approximately 0.126 inches (3.2 mm). The tubing is 6 inches long and comes in a 6x6 inch package. It operates within a temperature range of -45°C to 125°C and is rated for 600V. The wall thickness is 0.065 inches (1.65 mm).