Trend Professional Solid Surface Router Cutters ​Bearing Guided Bullnose Round Over Combination Cutter Ref: 90/25X1/2TC - 12.7mm Radius Key Features: Especially designed for routing Corian, and similar luxury inchmarble like' material which is used in many bathrooms and kitchens For bullnose moulding use Ref. 90/25 inconjunction with Ref. 90/20 and Ref. 90/28 with Ref. 90/21 Specification: D: 38 mm (metric diameter) C: 19 mm (metric cut length) B: 12.7 mm (metric bearing diameter) R: 12.7 mm (radius) OL: 65 mm (overall length) Shank Diameter: 1/2 inch