For use in a router table only. Take 5 - 6 passes, increasing the depth with each pass. Dimensions: D=86 mm C=1/2 inch C=12.7 mm B=12.7 mm A=15 degrees Shank Diameter=1/2 inch Shank Diameter: 1/2 Grade: TCT Diameter Metric: 86 Cut Length Imperial: 1/2 Cut Length Metric: 12.7 Bearing Diameter Metric: 12.7 Angle: 15