Palmgren 6" XP Bench Grinder/Pedestal Stand Combo is equipped with totally enclosed ball bearing motors. Armature assembly is dynamically balanced for smooth operation. Grinders feature LED digital display of RPM and variable speed operation. Grinders operate from 1800 to 3450 RPM, by increments of 100 RPM. Removable wheel guards allow for easy changing of wheels. Ratchet-type tool rests are adjustable for wheel wear and angle grinding. Grinder comes complete with spark guards, safety eyeshields and dust collection hose.