The 3M Electrical Spec. part FP301-3/4-50'-CLEAR-SPOOL is a heat shrink tubing made of high-quality polyolefin material. This thick and durable tubing is designed to provide excellent insulation and protection for electrical wires and connections. With a clear and transparent design, this tubing allows for easy visual inspection and monitoring of the enclosed components. The tubing is supplied in a convenient spool packaging, providing you with 50 feet of tubing to ensure you have enough for your electrical projects. Trust this reliable and efficient heat shrink tubing from 3M to keep your electrical connections safe and secure.