Feature 1Aluminum alloy structure with heat treatment, it can stand large impact and wearing 2Standard 1/2in drive, so it fit any shallow or deep, impact or chrome 1/2 in drive sockets 3Forward and reverse lever at the click of a button so easily interchangeable 4Adjustable 4-position power regulator for easy control of torsion output 5Perfect for changing tire and general assembling work in garage or workshopsFeatures: Aluminum alloy structure with heat treatment, it can stand large impact and wearing. Twin-hammer delivers more torsion to the anvil, less vibration. Standard 1/2in drive, so it fit any shallow or deep, impact or chrome 1/2 in drive sockets. Forward and reverse lever at the click of a button so easily interchangeable. Adjustable 4-position power regulator for easy control of torsionoutput. Comes with 1/4 BSP fitting for easy attachment to any quick release air line. Perfect for changing tire and general assembling work in garage or workshops. Specification: Material: aluminum alloy Color: silver + black Drive socket size: 1/2" MaximumTorsional Moment: 250FT-LB340N-M Rotation speed: 7000RPM Air pressure: 90psi (6.2 bar) Air consumption: 140L/MIN Socket Size:Approx.11mm/0.43inApprox. 12mm /0.47inApprox. 13mm /0.51inApprox. 14mm/ 0.55in Approx. 17mm/0.67in Approx. 19mm /0.75inApprox. 21mm /0.83in Approx. 22mm/0.87inApprox. 23mm / 0.91inApprox. 24mm / 0.94in Package weight: approx.4030g Package List: 1 * Air Impact Wrench 10 * Sockets 1 * Extension Bar 1 * Hex Key Wrench 1 * Adapter 1 * Mini Inline Filter 1 * Small Bottle of Oil 1 * Plastic Carrying Case .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering