This slightly tapered bit is specifically designed for wood Patternmaking, especially wood vacuum-forming molds where Draft (3°, 5° and 7° taper) is required for releasing the styrene or other plastic from the mold. It can be used to bevel the leading edge on a door., #42424, diameter (D) 13/16, angle (a°) 7°, cutting height (B) 1-1/4, Shank (D) 1/2, overall length (L) 3-5/32, flutes 2, D1 3/8, 42424 carbide Tipped pattern makers 7 deg x 13/16 dia x 1-1/4 x 1/2 inch shank