SC Grinder is the only one machine tool builder who only focus on the centerless grinder Our centerless grinder includes SC-305(12" diameter of grinding wheel), SC-360(14" diameter of grinding wheel), SC-456(18" width of grinding wheel), SC-510(20" diameter of grinding wheel), We also have the servo motor type to control our regulating wheel These products are SC-305S, SC-360S, SC-456S and SC-510S