Freud 34 104 Carbide Rounding Over Router Bit 1 8 Inch Radius 1 4 Inch Shank Professional Wood Edging Tool for Furniture Molding Doors and Drawers Sanders Compatible with 1 1 2 HP Compatible with 1 1 2 HP Adjustable Cut Size: Easily modify the width of the chamfer by simply adjusting your router’s depth or fence position Radius (R) 1 8 in Shank Diameter (A) 1 4 in Overall Diameter (D) 3 4 in Carbide Height (h) 1 2 in Overall Length (H) 2 3 16 in Bearing Diameter (B) 1 2 in Number of Cutters 2 Maximum RPM 24 Industrial Grade Carbide: Forged from TiCo™ High Density Carbide to provide a sharper edge and significantly longer cutting life