Surface Grinding Segment Color Gray Abrasive Material Ceramic Compatible Chuck ME30777 Cortland Compatible Tool Type Vertical Spindle Surface Grinder Grit 30 Overall Length 6 in Overall Thickness 2 1/4 in Overall Width 11 1/4 in Primary Material Applicationn Cast Iron Nickel Alloy Stainless Steel Steel Titanium Tool Steel Specification 3SGP30-G12VSP Wheel Type Type 31 Series SG 3SGP Grade Extra Coarse