Trend Professional Weatherseal Router Cutters Dovetail Cutter 115 Degrees x 5.0mm Diameter 31/10LX1/4TC - Routaseal Cutter Key Features: Cuts groove for Trend Routaseal Position seal into apex of jamb and stop More economic to use than more complex seals Use with a small 1/4 inch shank hand router Use STC for abrasive material Specification: D: 5 mm (metric diameter) C: 3 mm (metric cut length) OL: 61 mm (overall length) A: 115 degrees (angle) Shank Diameter: 1/4 inch