Product Descriptions Fitment: 18mm, 19mm, 21mm, 22mm, 24mm strut nut socket with 12 point design, 1/2" square drive slot, The length is 3.1 inches. Various size can meet many different vehicles. Function: Specially designed to remove and install the locking nut on front suspension strut when replace the units. Compact and simple design, easy to carry and use. Easy to Use: The strut nut sockets with cut out design allows 90° hex key to hold the strut whilst tightened to correct torque with a torque wrench.These suspension strut sockets can withstand 65-75 N. .