Features 1、The cutter head is made of tungsten steel material, with high hardness and wear resistance 2、The end of the handle is chamfered, which makes it easier to clamp, simple to install and use 3、Simple operation with high efficiency, sturdy and durable cutter body, no dust in operation 4、Double-slot engraving head, possess high work efficiency, saving both time and labor 5、Widely used in mold manufacturing, mechanical chamfering, welding scar polishing, very practical Specification Item Type: Rotary File Milling Cutter Material: Tungsten steel Cogging Distribution: Double groove Metal Rod Diameter: Approx. 3mm / 0.12in Uses: Mold manufacturing, mechanical chamfering, welding scar polishing Package List 10 x Rotary File Milling Cutter