Long Lifetime in Steel - The Mounted Points deliver a long lifetime when grinding steel. Its high-quality abrasive grain with vitrified bonding ensures the mounted point’s endurance on tough materials. It is intended for grinding and deburring hardened and non-hardened steel. It is suitable for use with drills and straight grinders with collets. The Mounted Points are available in a variety of shapes including: round(a), half-round(b), cylindrical(c), disc-shaped(d) and tapered(e). Cylindrical shank compatible with three-jaw drill chucks. Features and Benefits • High Quality Grinding Stones • High-quality abrasive grain and vitrified bonding ensure the mounted point’s endurance on tough materials Specifications Straight shank: 6mm Grit: 60 Diameter: 20mm Length: 25mm