Grinding Cone Abrasive Material Zirconia Alumina Abrasive Type Type 16 Compatible Tool Type Die Grinder Connector Size 5/8 in-11 Connector Type Threaded Hole Grit 20 Overall Diameter 2 in Overall Length 3 in Primary Material Applicationn Cast Iron Nickel Alloy Stainless Steel Steel Titanium Tool Steel Product Type Cone Series BlueFire 4NV ZA Maximum Operating Speed 18 145 RPM Specification BLUEFIRE 20-S Tip Type Round