A lot of shrink tubing in various variants and sizes for professional wire insulation, protection, and cable joining. Details from packaging: Brand: TE Connectivity et al. TE Connectivity ATUM-19/6-0-STK black shrink tubing. Black shrink tubing roll 3/4" (50 FT / approx. 15 meters). Clear 3:1 shrink tubing (CPS200-3/4-48). Suitable for electrical installation, industry, and panel building. Condition: The equipment appears new and unused in original plastic packaging. There may be slight storage wear.