11 Pcs hole saw kit
Heat treated. Stay sharp longer than ordinary blades. For cutting holes in wood, plywood, wall board up to 1 thick and soft grades od sheet metal. Do not use on masonry, hard metals or wood with nails. Saw sizes: 1 (25mm), 1-1/4 (32mm), 1-1/2 (38mm), 1-3/4 (44mm), 2 (51mm), 2-1/4 (57mm) and 2-1/2 (63mm) inch. Mandrel: holder, nut and drill bit. Weight: 1 lbs.