Two fluted Tungsten Carbide Tipped straight cutters which are suitable for a wide range of applications such a engraving grooving rebating & shallow mortising. They can be used on a wide range of materials such as softwoods hardwoods MDF plywood & chipboard. All cutters have a bottom cut feature. When deep cuts are required more than one pass should be taken. Shank. 1/4 in. Suitable for a wide range of applications such as engraving grooving rebating & shallow mortising. Use on softwoods hardwoods MDF plywood & chipboard. All cutters have a bottom cut feature. D1 1/2 inch D1 12.7 mm. Cut length 2 inches Cut length 50 mm. Shank Diameter 1/2 inch.