This industrial grade pneumatic screwdriver is used to tighten and loosen nuts, etc. It is widely used in home assembly, home repair, mechanical and electrical assembly, doors and windows, auto parts repair and other industries in the tightening and removal of screws and caps. Features -Color: Black -Material: aluminum alloy, steel -Size: 23.00X6.00X5.00cm/9.04X2.36X1.97in Collet size: 1/4 inch Inlet size: 1/4 inch Chuck size: 1/4 inch (6mm) No-load speed: 9000rpm Air consumption: 0.25 3/ min Working pressure: 0.62mpa Maximum torque: 35N- Bolt capacity: 4-6mm Pneumatic screwdriver length: 21.5cm / 8.5inch - The movement is made of selected high grade steel, precision machined by CNC machine. - The spindle, rotor and bearings are precisely matched for smooth rotation and . - With double hammer structure, high torque, reversible rotation, high precision, high and low noise, high operating efficiency, can greatly reduce working time. - The pneumatic screwdriver has speed adjustment, forward and reverse , automatic locking head design, more convenient and simple operation, no special training is required. - This industrial grade pneumatic screwdriver is commonly used for tightening and loosening nuts, etc. Package list: 2 x pneumatic screwdriver 2 x bit 2 x hook