4pc High specification burr set designed for use on Aluminium and other non-ferrous metals. AliCut Burrs offer precision cuts high control & long life and are recommended for use with die grinders and straight grinders. 6mm & 12mm head options available, both featuring a standard 6mm shank Each set contains 1 each Flame, Cylinder, Ball Nose, and Tree burrs All burrs are 100% braze tested for strength and safety.