This 2-in-1 Mini Air Ratchet Wrench has both a 1/4\" & 1/2\" Square Drive Due to its compact design, the Sealey SA1001 is ideal for working in confined areas or where space is limited. It has a 2-in-1 Air ratchet 1/4\" Sq Drive head with a 1/2\" Sq Drive adaptor. Fitted with a twist reverse action and trigger operated power control. Features rear exhaust with baffle for reduced noise level and safety throttle lever to stop accidental operation. Suitable for professional workshop use. Features:    Textured finish to ensure a good grip Mini design for working in confined areas, ideal for working around engines where space is limited 2-in-1 Air ratchet 1/4\" Sq Drive head with 1/2\"Sq Drive adaptor easily fitted on to ball with hex grub screw, hex key supplied Fitted with a twist reverse action and trigger operated power control Features rear exhaust with baffle for reduced noise level and safety throttle lever to stop accidental operation Suitable for professional workshop use Specification:  Air Consumption: 8.5cfm Drive: 1/4\"Sq & 1/2\"Sq Free Speed: 420rpm Inlet Size: 1/4\"BSP Length: 120mm Maximum Torque: 34Nm Nett Weight: 0.410kg Noise Power/Pressure: 91/80dB(A) Operating Pressure: 80psi Vibration/Uncertainty: 0.996/0.594m/s²