Specification Free?ÕÌ_Speed: 70000 R.P.M. Collet Size: 1/8(3)?ÕÌ_inch(mm) Air Inlet Size: 1/4?ÕÌ_inch-NPT/PT Air Pressure: 6?ÕÌ_kg(cm?Õ_) Air Cons.: 180 L/min Net Weight: 0.13 kg Tool?ÕÌ_Dimension: 17 mm Tool?ÕÌ_Length: 140 mm Hose?ÕÌ_Length: 1500 mm Exhaust?ÕÌ_System:?ÕÌ_Rear