This 3 Piece 1/2" Torque Limited Impact Socket Set prevents wheel nuts and fasteners being tightened beyond a torque of 100 Nm. The 3 Piece 1/2" Torque Limited Impact Socket Set has a unique clutch design incorporating a teethed spring load mechanism prevents wheel nuts and fasteners being tightened beyond a torque of 100 Nm. This irradiates the potential for spraining or damaging of wheel nuts during tyre changing. Protective plastic sleeve also prevents scratches and damage to expensive alloy wheels. Features:- -Standard passenger car wheel nut sizes -Plastic presentation case -Suitable for use with impact wrenches -Suitable for use with alloy wheels -Coloured bodies for quick and easy size identification It is very important to final tighten the wheel nuts to the recommended specification using a torque wrench. Kit Contents 3 x Sockets - Sizes included (mm): 17, 19, 21