Features: 1) Built-in air regulator varies speed and power 2) Ideal for fitting and removing wheels, general assembly work and other workshop applications 3) Easy operation AT-5004 17pc kit contents: 1 x AT-5040 air impact wrench 10 x air impact sockets: 9, 10, 11, 13, 14, 17, 19, 22, 24, 27mm 1 x 5 extension bar 1 x oil pot 1 x hex wrench 1 x nipple 1 x mini oiler 1 x blow mold case Specifications: 1) Square drive: 1/2" 2) Capacity bolt size: 5/8" (16mm) 3) Free speed: 7,000rpm 4) Max. torque: 230ft/lb (32kg/m) 5) Air inlet (PT): 1/4" 6) Air hose (ID): 3/8" 7) Average air consumption: 4cfm (0.12m3/min) 8) Suggested air compressor: 2.0HP Min Order Quantity: AT-5040: 100pcs AT-5004: 50 kits Payment Term: L/C, T/T Delivery Time: 20 days Price Term: FOB Ningbo Richart Senge Ningbo Steed Tools Co.,Ltd Tel:+86 574 88001135 Fax:+86 574 88001195