Based on this product's specifications, here are some alternatives and similar models
Hole saw set EINHELL kwb 599100 for drill, 7 pcs, Ø 63 mm, for wood and plastic
Summary description:
Hole saw set EINHELL kwb 599100 for use with standard drills. Contains 7 pieces with maximum diameter 63 mm, designed for cutting holes in wood and plastic. Suitable for installing fittings, making openings for pipes, cables or ventilation and general DIY tasks where clean circular cuts are required.