These milling cutters are made from tungsten vanadium steel. They are purpose-made out of a single blank. The precise flutes and optimal concentricity ensure the longest life expectancy. They are ideal for free-hand precision work. For carving, shaping and hollowing of hard and soft woods, non-ferrous and precious metals as well as plastics and plaster of Paris. There are 6 individual cutters in packs of 2. All have 2.35mm(3/32") shanks. We recommend the use of MICROMOT collets with these cutters.