The Performance Tool W540 171pc Heat Shrink Assortment is a must-have for anyone working with wires and cables. This versatile assortment includes a variety of diameters and lengths, ranging from 1-3/16 inches to 39-3/8 inches, providing flexibility for a range of applications. With a 2:1 shrink ratio, this heat shrink tubing provides a secure and snug fit to protect wires and cables from moisture, abrasion, and other hazards. The two-tier folding case provides extra storage and makes it easy to keep your heat shrink tubing organized and easily accessible. Made with high-quality materials, this heat shrink tubing is durable and built to last, ensuring reliable performance even in harsh environments. From automotive to home improvement projects, this heat shrink tubing assortment is suitable for a wide range of applications, making it a versatile addition to your toolkit.