Greenlee hex keys are suitable for tightening / loosening hex head fasteners for automotive, manufacturing and production line operations. These T handle hex keys feature ball end tip that allows up to 30 degree misalignment and square cut end for ease of use in high torque applications. They have tempered & heat treated alloy steel construction for durability and moulded grip handle for secure grip & user comfort. Choose from a wide range of these hex keys, available in tip sizes ranging from 3/32 - 1/4 inches.