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Swisher Automatic Precision Rotary Surface Grinder 16" Electromagnetic Rotary Table .................. 16" Wheel Size .................................... 8" Diameter, 3.3" Hole Spindle Motor ................................. 7.5 HP Control ....................................... Allen Bradley SLC-502 Rotary Table Speed ............................ 0 - 60 RPM Spindle Speed (Variable) ...................... 0 - 3600 RPM Equipped With: Superabrasive Wheel Adaptor Allen Bradley 1336 Frequency Inverter For Variable Spindle Speeds Multiple Downfeeds During Automatic Grinding Cycle Digital Panel Display Coolant Tank 440 Volt, 3 Phase, 60 Cycle Swisher Rotary Grinder Swisher Grinder