Product DescriptionsFitment: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 Features:1) 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 2) 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 3) Made of high hardened 4140 impact grade steel,with black oxide coating which is great strength, n.