Black 3:1 Heat Shrink Tubing - 4FT

3:1 Dual Wall Shrink Tube from Secure Cable Ties is a great insulator when used with general wire splices, terminals and many other electrical connections. Made from thinly insulated polyolefin tubing, this single wall shrink tube is quite flexible and flame retardant. While being used mainly on electrical wire splices, shrink tube is also great at providing a strain relief for many datacomm and electrical wire connections.