... surface, it's expert in polishing surface, high precision, degree of accuracy will be within 0. ... Malaysia, Vietnam, Indonesia,Kazakhstan, USA. India....618S High Precision Surface Grinder Main Technical Parameter.NO.DescriptionUnit Model618S1Table Size ... AccessoryOptional AccessoryGrinding wheel1 pcsDigital Red Out1 setAssemble and Disassemble Tool1 setMagnetic Chuck1 setCorrector Adjusting Bolt1 ...