Based on this product's specifications, here are some alternatives and similar models
Bi-metal hole saws wolfcraft GmbH 5493000
Summary description:
The wolfcraft GmbH Bi-metal hole saw is designed for use with cordless screwdrivers. It is suitable for cutting through various materials including drywall, non-ferrous metal, plastic, plywood, steel, and wood. With a diameter of 10 cm, this single hole saw comes in a convenient storage box, making it easy to organize and transport. Ideal for both professional and DIY projects, it ensures clean and precise cuts.