Trend Craft Pro Two Fluted Tungsten Carbide Tipped straight cutters are suitable for a wide range of applications such as engraving, grooving, rebating and shallow morticing. They can be used on a wide range of materials such as softwoods, hardwoods, MDF, plywood and chipboard. All cutters are TCT and have a bottom cut feature. When deep cuts are required, more than one pass should be taken. Shank: 1/4in D - Diameter - 3/8 in 9.5mm C - Cutting Length - 1 1/4in 31.8mm T.C.T. 2 Flutes. TREC01314TC