Specification Color: Green, Silver, Black Style: Modern Material: Plastic, Steel Assembly Required: Yes Work Pressure: 3-6kg/cm³ Work Stroke: 11-15mm/0.43-0.59in Effective Frequency: 100-300Times/min Working Speed: 10-40rpm Gas Consumption: 0.28m³/min Gross Weight: 1.3kg/2.87lbs Net Weight: 1.2kg/2.65lbs Product Size: 23*20.5*6.5cm/9.06*8.07*2.56in Package Size: 22*19*6cm/8.66*7.48*2.36in.