1. Free Speed: 13000
2. Sander diameter: 4"/100mm
3. Overall Length: 5.12''/130mm
4. Air inlet: 1/4"
5. Air Hose: 3/8''
6. Air Consumption: 6cfm/170min
7. Net weight: 1.5kg
8. Recommend Air Pressure: 6.5kg/cm2(90psi)
9. Packing: 6PCS/CTN/1.88'