1Smooth surface, not easy to rust, comfortable to hold, convenient to operate, improves work stability. 2Pushbutton positive and negative switches, torsion adjustment, more convenient operation. 3The head is equipped with planetary gears, the speed is uniform, which effectively increases the torsion and has great strength. 4Made of high quality zinc alloy shell and iron material, wearresistant, strong and durable. 5Exhaust design, not easy to raise dust, widely used for furniture, machine production, maintenance, drilling. Item Type: Pneumatic Drill Material: Zinc Alloy + Iron Color: As shown in the picture Chuck Size: 3/8 (inch) Maximum Drilling Diameter: 10mm/0.39in Speed: 500rpm Working Pressure: 0.8Mpa Application: Drilling iron plate, wood board, etc. Weight: Approx.1445g/51oz 1 x Pneumatic DrillMonitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.