Air Die Grinder Set Features include... 22,000 RPM 1/4" Collet 1/4" air inlet Length 6 1/8" 0.25 HP Rear exhaust 4 CFM Kit includes... Die Grinder 1/8" Collet Insert Five 1/8" arbor stones Five 1/4" arbor stones Hose Adapter Collet changing wrenches Plastic Case
