PROXXON 28778 Grinding tip cone 7mm 5pcs

PROXXON 28778 Grinding tip cone 7mm 5pcsHigh-quality alumina tips.Made of high-quality, high-hardness materials.Various shapes for a variety of applications.For grinding and chiseling hard materials such as cast iron, cast steel, malleable iron, and hard metal alloys and steel.Precisely sized shanks with a diameter of 2.35mm or 3mm.Guarantees excellent concentricity.Grinding principle: soft material = hard tip; hard material = soft tip!Tip diameter of 7mm..