COMPACT AND POWERFUL TZTOOL 1/2" super Diesel is a whole range gun for pick trucks, trailers, commercial vehicles, agricultural machinery.., More full torque and endurance than other 1/2" impact guns.Max 1020 ft.lb and 1650 ft.lb nut busting . Size 6.7 inch, Tool weight: 4.84 lb, Forward: 3-speed, Reverse: 1-speed, Twin hammer , Air inlet: 3/8 "(1/4" NPT adapter included ), Air pressure: 90 psi( 120 ~150psi ), Sound pressure level: 92/103 dB (A), Air consumption: 8 cfm.Suggestion: For maximum performance, you need at least 15 gallon tank at 120 psi and a 3/8" hose. Use 1/4" adapter would be reduce power.Maintainance~ 1. Fill 5 drops air tool oil into air impact wrench before use. 2. No use for long term, please fill air tool oil into air impact wrench and start unload till oil and water all out of tool. Reliable and easy to switch F/R selector The Forward/Reverse selector will not get stuck after long-term use TZTOOL SUPER GUN Why TZTOOL super diesel gun can Loosening bolt torque at 1625 ft.lb?* Patented powerful hammer structure * Efficient intake and exhaust tech* Larger cylinder and rotor* More vanes Ergonomic Longer grip provides comfortable use TZTOOL Shop and Equipment-AIR Stubby 1/2 Compact 3/4 Metal and Lightweight 3/4 Super 1/2 Compact 3/4 Add to Cart Add to Cart Customer Reviews 4.6 out of 5 stars 345 5.0 out of 5 stars 2 Price $125.85$125.85 $169.85$169.85 Torque 1020-1650 1100-1700