Small panelling cutters, popular for decorative cupboard doors and furniture embellishments. Dimensions: D=1/2 inch D=12.7 mm C=3/8 inch C=9.5 mm R=2 mm Shank Diameter=1/4 inch Shank Diameter: 1/4 Grade: TCT Diameter Imperial: 1/2 Diameter Metric: 12.7 Cut Length Imperial: 3/8 Cut Length Metric: 9.5