1. 3-ply cutters reduces tip crack even with hard use, and the edge of knife adapts super quality alloy material, which is applied to drilling in cold/hard metal stainless steel plate.

2. The 25mm effective length enables this hole saw to drill thick steel plate as well as curved face material like thick-wall metal pipeset.

3. The abrasive reducing design heightens durability of hole saw to great degree, with lighter and faster drilling compared with previous TCat- edge products.