General description Trend 3/23X1/4TC is a two-flute cutter with a diameter of 6.5 mm, designed for use with abrasive materials such as chipboard, MDF, plywood, hardwoods, and hard plastics. The two flutes ensure a clean finish on cut edges. Technical specifications Diameter: 6.5 mm Type: Two flute cutter Material: TCT (Tungsten Carbide Tipped) Other information All cutters with a diameter of 9.5 mm and above feature TCT plunge centre tips.