Based on this product's specifications, here are some alternatives and similar models
Heat shrink tube DeLOCK 19586
Summary description:
The DeLOCK 19586 heat shrink tubing is made from durable polyolefin material, offering excellent insulation and protection for wires and cables. With a sleek black color, it provides a professional finish and is ideal for various applications. This tubing shrinks when heated, ensuring a tight fit around components, enhancing safety and longevity. Perfect for DIY projects or professional use, it is a reliable choice for anyone needing effective cable management.