Trend Professional Chamfer and V Groove Cutters 11/20X1/4TC - Shank Mounted Ball Bearing 60° Cutter 12.7mm Diameter x 16mm Cut x 1/4" Shank Key Features: Template thickness should be at least 5mm thicker than cutter cut length of cutter Approx. 1.0mm flat will be found on nose Specification: D: 1/2 inch (imperial diameter) D: 12.7 mm (metric diameter) C: 16 mm (metric cut length) B: 12.7 mm (metric bearing diameter) A: 60 degrees (angle) OL: 56.5 mm (overall length) Shank Diameter: 1/4 inch