This NEIKO USA 1/4" HEAVY DUTY AIR DIE GRINDER features a Free Speedof: 22,000rpm, Lever Throttlefor Feather Control, and a Rear Exhaust Air Flow System. 

Specs:
• Rear Exhaust Air Flow System
• Free Speed: 22,000rpm
• Capacity: 1/4"
• Air Pressure: 90psi
• Air Consumption: 6 CFM for heavy grinding tasks
  
• Lever Throttlefor Feather Control
  
• Inlet Size: 1/4" NPT
• Length: 6-5/8"

Product SKU: 30061A