Product Info Catalog Tools Power Drill, Bits & Accessories .25-In. Round-Over Router Bit .25-In. Round-Over Router Bit Request a Quote UPC: 08925380733 SKU: 646135 Model Number: 34-120 1/4" Radius Rounding Over Router Bit, 1/2 Shank, TiCo&tm. High Density Carbide.