General description Manufactured from hardened and tempered Chrome Vanadium steel with an electrodeposition finish, the Sealey AK2112 Premier Black Go-Through Lock-On Low Profile Socket & Bit Set is designed for durability and performance. This 31-piece set features ultra-smooth, flip reverse double end ratchet spanner, go-through sockets for use on fixings with extended studs and adjusting screw locknuts, and lock-on™ sockets that enable use on up to 85% rounded fasteners. The low profile design makes it ideal for limited access applications, and it is supplied in a convenient storage case. Technical specifications Material: Chrome Vanadium steel Finish: Electrodeposition Drive Size: 1/4'' Sq Number of Pieces: 31 Other information Lifetime guarantee*