These popular insert router bit profiles provide all woodworkers access to the industrial-grade technology, at an affordable price. By replacing worn knives instead of sharpening standard carbide Tipped bits, router bit dimensions, cutting quality and accuracy remain constant during the life of the tool, Electric compatible tool file for RC-45711 available in the vetric library tab above.#Rc-45711, diameter (D): 11/16, angle (a°): 45°, cutting Height (B): 21/64, shank (D): 1/4, overall length (L): 1-61/64, type: V-Groove/signmaking, replacement insert knives: ama-12 (12x12x1. 5mm), A1°: 90°, # of knives: 1, RC-45711 In-Tech insert carbide V Groove 45 deg X 11/16 dia x 21/64 x 1/4 inch Shank