wolfcraft Professional Multi-Blade Hole Saw, Ø 25-62 mm, Cutting Depth 33 mm

Cheapest its ever been.
inductively hardened saw blades made from tungsten steel for high-performance cutting in wood, plastic, insulation and drywall panels (e.g. plasterboard and OSB panels)
7 quick-change blades (Ø 25, 32, 38, 45, 50, 56, 62 mm), with fine toothing, 33 mm cutting depth
safety lock for fixing the conduit hole saw, ideal for power drills with a fast rotation stop mechanism
With 7 quick-change blades, Ø 25, 32, 38, 45, 50, 56 and 62 mm, and a cutting depth of 33 mm, the Professional multi-blade hole saw offers you flexible equipment for a wide range of interior works projects. The inductively hardened saw blades made from tungsten steel provide superior sawing performance in wood, plastic, insulation and drywall (e.g. plasterboard and OSB panels). The fine toothing gives a clean cut and high cutting performance. The hexagon shank makes it compatible with all commercially available cordless screwdrivers and power drills. A ground Ø-8-mm centring drill bit helps you to position your drilled hole exactly. The multi-blade hole saw has a safety lock to reliably fix the conduit hole saw in the drill plate. This is especially important for good working safety when using cordless screwdrivers with a fast rotation stop mechanism.
Manufacturers Description
Wolfcraft Standard Hole Saw Set
For use on wood, chipboard and plasterboard.
sets have 1 each of ,
25,32,38,45,50,56, 62mm Diameter cutters with a cutting depth of 23mm.