Based on this product's specifications, here are some alternatives and similar models
Heat shrink tube DeLOCK 19968 4:1 adhesive black 5m x 12mm
Summary description:
DeLOCK heat shrink tube 19968 is a black polyolefin tube with a shrinkage ratio of 4:1. It measures 5m x 12mm and features an inside adhesive for secure bonding. Suitable for insulation and protection of wires and cables.