This Sealey Premier Hex Socket Bit Set is ideal for various applications. It features forged Chrome Vanadium steel sockets with S2 steel hex bits, ensuring durability and performance. The sockets are heat-treated, chrome-plated, and have a fully polished mirror finish for a premium look and feel. Knurled rings are incorporated to assist with gripping the sockets, even with oily hands. The set includes sizes from 4mm to 12mm and comes supplied in an EVA storage tray for convenient organization. Backed by a lifetime guarantee, this set is a reliable addition to any toolkit. Model No. AK6240. Weight: 0.44kg. Contents: Hex Socket Bits; 4, 5, 6, 7, 8, 9, 10, 11, 12mm. Drive: 3/8"Sq. Nett Weight: 0.kg.