Based on this product's specifications, here are some alternatives and similar models
Hole Saw BiM 152 mm Wolfcraft WF5498000 - complete set
Summary description:
Wolfcraft BiM hole saw 152 mm (WF5498000) complete set for cutting large circular openings in wood and wood-based materials. BiM (bimetal) construction provides durability and resistance to wear. The set includes the 152 mm hole saw and accessories needed for drilling applications, suitable for carpentry, installations and renovation tasks.