Based on this product's specifications, here are some alternatives and similar models
Hole saw Dedra 08W070, diameter 70 mm, for metal/stainless steel/aluminium/plastic/wood
Summary description:
Dedra 08W070 is a single-piece hole saw with 70 mm diameter designed to cut openings in metal, stainless steel, aluminium, plastic and wood. It attaches to compatible drills or arbor adapters for cutting precise circular holes for pipework, cable entries, vents and mounting hardware. Suitable for DIY and professional repair or installation tasks.