Features automatic oiling
Prevents rust and metal stains in concrete
Captures extracted sanding dust
Scribe Notches Every 1/8"
Smooth taper assists in lining up bolt holes
Deep Cut Hole Saw Kit, 9 Pieces Tweezers Features automatic oilingManufactured with hardened heat resistant and positive rake high speed steel teeth welded to a durable alloy backing and cap Exceptionally strong, safe, and shatter resistant Effectively and economically cuts a wide variety of materials including wood, metal, and steel Includes: DCH Series 22mm (7 8'') Deep cut hole saw, 25mm (1'') Deep cut hole saw, 32mm (1 1 4'') Deep cut hole saw, 38mm (1 1 2'') Deep cut hole saw, 44mm (1 3 4'') Deep cut hole saw,