Trend TRE4812TC 4/8 x 1/2 TCT Two Flute Cutter 25.4 x 25mm Trend Two Flute Straight Cutters produce a cleaner finish than the single flute cutters. Suitable for grooving rebating morticing drilling and shallow lateral routing cuts such as recessing hinges. Corners will require a final trimming square with a hand chisel or a corner chisel. Suitable for abrasive materials such as chipboard MDF plywood hardwoods and hard plastics. This Trend 4/8 x 1/2 TCT Two Flute Cutter has the following specification: D: 25.4mm (1in) C: 25mm OL: 68mm Shank Diameter: 1/2in