Amana Tool 610400 General Purpose Cut Off 10-Inch 40 Tooth ATB 5/8 Bore Saw Blade Great for general purpose ripping and crosscutting hardwood and softwood with occasional cutting of plywood and man made materials mixed in. 10 Inch x 40 Teeth Alternate Top Bevel grind 15 Degree Hook. Massive tool steel plate, with laser cut expansion slots allowing the blade to expand and contract from heat preventing warpage. Extra large carbide teeth provide more resharpenings. Copper Plugs to reduce noise and vibration during operation Tension rings which maintains the blades straightness under stress of operation