This blade is the classic Ripper for both hardwood and softwood. It features the flat-top grind for cutting with the grain efficiently; ample gullets for fast chip-clearance; expansion slots and turbulence-reducing copper plugs, #614280, (D) diameter: 14 (350mm), teeth: 28, (D) bore: 1, tooth grind: ft, hook angle: 18°, kerf (B): .137 (3.5mm), Plate (C): .098 (2.5mm), 614280 carbide Tipped ripping standard 14 inch dia X 28T ft, 18 deg, 1 inch bore