surface grinding machine. 66402. Power: 1.9 ch. Spindle speed: 7,200 rpm. 66402 Air Tool Post Grinder 1.86 hp, 7,200 RPM, Side Exhaust, 4,700 SFPM, for 1-1/2" W x 24" L (38 mm x 610 mm) Belts For use on metal, glass, stone, rubber, ceramic, carbide …