The Performance Tool weatherproof heat shrink assortment is a must-have for anyone who needs a reliable and durable solution for electrical wiring, automotive repairs, and more. With 106 pieces of various sizes included in the set, you'll have everything you need to tackle a range of applications. Featuring a shrink ratio of 3:1, these heat shrink tubes provide a tight, secure fit for maximum protection against moisture and other environmental factors. Each tube also has a weatherproof protective coating on the inside for added insulation and long-lasting performance. This set comes in a convenient storage case to keep the tubes organized and easily accessible. Whether you're a professional mechanic or a DIY enthusiast, this heat shrink assortment is an essential addition to your toolkit.