Jiangyin Yangfan Ship Trading Co.,Ltd is one of the best pneumatic impact wrench manufacturers and suppliers in China, you can get pneumatic impact wrench free sample and buy discount products from our factory.Pneumatic power impact wrenches deliver extremely high power to fasten and loosen bolts or nuts for quick assembling and disassembling jobs. 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 on page. Choose the most suitable model for the 13 mm to 76 mm sized bolt capacity. The specifications listed here are for your reference. If you wish to order impact wrenches from a specific manufacturer, please refer to the companison table listing major international manufaacturers and product model numbers on page 59-7.CODESqare DriveNom. Bolt Diam mmFree Speed R.P.MAir Inlet PTAir Hose SizeNet Weight kgsmmInch590101 590102 590105 590106 59010712.7 15.9 19.0 25.4 31.81/2 5/8 3/4 1 1-1/413.0 16.0 22.0 32.0 38.06500 8800 4000 3500 32001/4 1/4 3/8 1/2 1/29.5 9.5 12.7 12.7 12.72.8 3.7 7.9 11.7 15.10590108 59010938.1 44.451-1/2 1-3/456.0 76.03500 14001 119.0 19.036.0       56.0