Based on this product's specifications, here are some alternatives and similar models
Hole saw bi-metal Dedra 68 mm (2-11/16")
Summary description:
Bi-metal hole saw by Dedra with a 68 mm (2-11/16") diameter for cutting circular holes in metal, wood and other construction materials. Constructed from bi-metal for durability and heat resistance; suitable for use with drill drivers and hole saw arbors. Ideal for plumbing, electrical installations and general construction tasks requiring precise round openings.