Cutters that are used in numerically controlled milling machines. The diameter of the milling cutter stem is 3.175mm. The overall length varies from 38mm to 45mm and the cutting-edge diameter from 1mm to 3.175mm, depending on the size selected. The cutters are made of tungsten steel and provide smooth, quality and fast cutting. The set comes with 5 pcs of cutters, each in a separate bag with a signature.