1. Capacity: 1/ 4" / 6mm 2. Free Speed: 2500r. P. M 3. Overall Length: 9.06' ' / 230mm 4. Air Inlet: 1/ 4' ' 5. Air Hose: 3/ 8' ' 6. Air Consumption: 6cfm/ 170min 7. Net weight: 0.87kg 8. Recommend Air Pressure: 6.5kg/ cm2( 90psi) 9. Packing: 10pcs/ ctn / 0.54'