Raychem RNF-100-1-1/4-BK Polyolefin Heat Shrink Tubing 1.25" ID, 48" Length Heat shrink tubing for bundling wires, repairing insulation, insulating wires and wired connections, and providing strain relief Polyolefin for strength and resistance to chemicals, oils, moisture, salt water, fungus, and UV light; suitable for submerged or buried environments Provides a 2:1 shrink ratio Flame-retardant (colors only) for safety Meets one or more of the following standards: RoHS; UL E35586; CSA LR31929; SAE-AMS-DTL-23053/5, Class 1 or Class 2; Defense Standard 59-97, Type 2B; DIN VG 95343, Part 5, Type B