Designed to meet the needs of both the professional tradesman & the home handyman. All are Tungsten Carbide Tipped, to ensure longevity of working life, coupled with a good quality finish to the work. This cutter is to be used for bevelling & chamfering. Cutting Angle Length C 13.0 mm. Overall Diameter D 19.1 mm. Cutting Angle 45 Shank Diameter 1/4 in.