The RNF-100-1/4-BK-SP is a black highly flame-retardant low recovery temperature Heat-Shrinkable Tubing very flexible irradiated modified polyolefin and offers 2:1 shrink ratio. Versafit tubing electrically insulates and protects in-line components, disconnect terminals and splices. Bundles wires for very flexible light-duty harnesses. Identifies or color-codes wires, cables, terminals and components. Versafit tubing hot-stamps extremely well.