Freud 16 560 1 2 Inch Carbide Mortising Router Bit 1 4 Inch Shank Down Shear Design for Clean Hinge Mortises Plywood Dadoes and Splinter Free Grooves Dovetail Bit impact resistant outer shell paired with impact resistant outer shell paired with a shock damping inner liner safeguards cylindrical lithium cells against jobsite drops Model Number 99 513 Overall Diameter (D) 2 3 4 in Shank Diameter (A) 1 2 in Carbide Height (h) 5 8 in Overall Length (H) 2 1 2 in Large Radius (R1) 7 16 in Number of Cutters 4 (Quadra Cut) Maximum RPM 12 Model Number 16 560 Overall Diameter (D) 1 2 in Shank Diameter (A) 1 4 in Carbide Height (h) 5 16 in Overall Length (H) 2 7 16 in Number of Cutters 2 Maximum RPM 24 Multi Material Versatility: Delivers clean cuts in solid wood