1/2" pneumatic impact wrench - max torque: 310 Nm - avg air consumption: 228 l/min - socket drive: 1/2" - noise level: 103 dB - weight: 2.5 kg - max speed: 7000 rpm - air inlet: 1/4". 1/2" pneumatic ratchet - max torque: 68 Nm - avg air consumption: 114 l/min - socket drive: 1/2" - noise level: 102 dB - max speed: 160 rpm - air inlet: 1/4". Set includes: 1/2" pneumatic ratchet, 1/2" impact wrench / torque wrench, plus sockets: (9,10,11,13,14,17,19,22,24,27).