Professional impact allen key for commercial or occasional use 27mm 3/4" drive metric allen / hex key Impacted allen hex key Extra long allen / hex key for access into restricted / hard to reach areas Impacted allen / hex bit for added strength and durability Manufactured from CR-m steel for maximum strength 3/4" drive so will fit any 3/4" drive ratchet, power bar, impact gun etc... Impacted so suitable for use with high torque tools HRC 43-45 steel SPECIFICATIONS • Impact Hex Bit socket • 27mm Metric Allen Hex key • 3/4" Drive • Total length of the Hex Key – 88mm