This blade has a 15° hook angle that improves the surface quality of the cut but increases the feed pressure required. This blade is a good choice for general Purpose ripping and crosscutting of hardwoods and softwoods in a range of thicknesses, with occasional cutting of plywood and other man-made materials mixed in, #612480-30, (D) diameter: 12 (300mm), teeth: 48, (D) bore: 30mm, tooth grind: ATB, hook angle: 15°, kerf (B): .126 (3.2mm), pinholes: 2/7/42, 2/9/46 & 2/10/60, plate (C): .087 (2.2mm), 612480-30 carbide Tipped general Purpose 12 inch dia X 48T ATB, 15 deg, 30mm bore