A set of five Bi-Hex (12pt) sockets with cut away profile for removing and replacing strut nuts. Covers most popular sizes for European vehicles. 1/2"D cut away sockets allows 90° Hex key to hold the strut whilst tightened to correct torque with a torque wrench (Hex key not supplied).Sizes: 18mm (OD 25.9mm), 19mm (OD 27mm), 21mm (OD 27.9mm), 22mm (OD 29.9mm), 24mm (OD 31.9mm). Supplied on a socket rail for easy storage. Manufactured from Chrome Vanadium.