Amana Tool 610504 Combination 10-Inch x 50 Tooth 4ATB+1 Raker 5/8-Inch Bore Saw Blade Great for crosscutting and ripping hardwood, softwood, and plywood. Extra large carbide tips providing more resharpenings. 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. 15 Degree hook 4ATB +1 Raker Grind in groupings of 5. Carbide teeth alternate left and right with the 5th tooth straight Tension rings which maintains the blades straightness under stress of operation