This economical kit contains the most common sizes of heat shrink tubing in a convenient tray, saving you the hassle and expense of ordering multiple sizes. The kit helps make short work of most wiring jobs, helping you give a tidy and professional appearance to wiring repairs or aftermarket additions and ensure long-lasting installations. Tray is compact for easy transport between jobs and durable for convenient refills if desired. Product Features:Convenient repair - kit contains all the most common sizes in one tray, and all pieces are available for reorderCost efficient - economical and time-saving alternative to purchasing components separatelySaves bay time - helps you keep the consumables you need organized and close at handEase of use - includes a matching visual reference guide on the inside cover to identify parts