Trend Two Flute Straight Cutters produce a cleaner finish than 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 4/80 x 1/2 TCT Two Flute Cutter has the following specification: D: 25.4mm (1in)C: 37mmOL: 66mmShank Diameter: 1/2in