Pneumatic Impact Wrenches IMPA CODE: 590106 1. Pneumatic power impact wrenches deliver extremely high power to fasten and loosen bolts or nuts for quick assembling and disassembling jobs. 2. The square drive size and capacity at which different types of handles are provided differ from manufacturer to manufacturer as shown in the pneumatic tools comparison table. 3. Choose the most suiable model for the 13 mm to 76 mm sized bolt capacity. 4. Recommended air pressure is 0.59 MPa. 5. The air hose nipple is furnished as a standard accessory.