1. No-Load Speed: 13000r. P. M 2. Sander diameter: 6" / 150mm 3. Overall Length: 7.48' ' / 190mm 4. Air Inlet: 3/ 8' ' 5. Air Hose: 3/ 8' ' 6. Air Consumption: 20cfm/ 566min 7. Net weight: 2.50kg 8. Recommend Air Pressure: 6.5kg/ cm2( 90psi) 9. Air Consumption: 6cfm/ 170min 10. Packing: 6PCS/ CTN/ 1.98'