All bevel trim bits have four cutting edges per knife.#Rc-1014, diameter (D): 1-1/16, angle (a°): 45°, cutting height (B): 7/16, shank (D): 1/4, overall length (L): 2-1/4, replacement bearing: 47701, replacement knives: ama-12, flutes: 2, RC-1014 insert bevel laminate trim 45 deg x 1-1/16 dia x 7/16 x 1/4 inch shank