uxcell Router Bit 1/2 Shank 1-Inch Cutting Dia Round Over Corner 2 Flutes Tungsten Steel for Woodworking Milling Cutter Tool Standard: 1/2X1 inch; Total Length: 63.7mm; Weight: 83g Overall Diameter: 37mm; Cutting Radius: 12.7mm; Cutting Depth: 18.5mm; Cutting Width:12.7mm Solid hardened tungsten steel body with anti-kickback design Can be used without the bearing as a standard straight bit, great for combined plunge-cutting and pattern/template routing For increased work piece visibility, use shank bearing flush trim bit in a handheld router allowing the template to be positioned on top of the work piece