Product Details:

• All Ball Bearing Construction Provides Longer Life of Tool
• 
  
  CRL's 1/4" Air Grinder allows light weld grinding, porting, breaking sharp edges and similar applications. The grinder comes with a safety lever and is made of all ball bearing construction providing for longer life.
  
  Specifications:
  Collet Size: 1/4" (6.3 mm)
  Free Speed: 22,000 rpm
  Motor Rating: 0.4 HP
  Overall Length: 5-3/4" (147 mm)
  Air Inlet Thread NPT: 1/4" (6.3 mm)
  Air Hose I.D. Size: 3/8" (10 mm)
  Avg. Air Consumption: 3cfm
  Air Pressure: 90-120psi