The long-throw buffing action is the key to the G21's innovation. You get more pad rotation, more work per pass, and amazing results.


  • The G21's 21mm orbit is a 162% increase over the standard 8mm throw
  • Experience unparalleled polishing effectiveness
  • THE BOSS' 900-watt motor is the most powerful on the market
  • Throttle trigger allows precise, incremental speed control
  • Machined counterbalanced bearing assembly for silky smooth operation


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Griot's Garage BOSS G21 21mm Long-Throw Random Orbital Polisher

SKU: GR-004
    • Powerful 900-watt, 7.5-amp motor
    • 21mm long-throw orbit
    • Premium NSK™ bearing construction
    • Precision-machined counter-balance
    • 6" vented flexible urethane backing plate
    • Max 5000 orbits per minute
    • Fully variable speed trigger throttle with trigger lock
    • Near-instant start-up
    • 13-foot silicon-rubber 16 AWG power cord with gusseted cord support
    • Non-marring composite body
    • Double-shot rubber platypus fore-grip, mid-body grips, and pistol grip
    • Quick access brush side ports
    • Includes Allen key wrench, replacement carbon brushes, washer modification, and grease tube
    • The G21 may use either a 5" or 6" Pad system interchangeably