Draper Long Metric Hex. Socket Bit Set, 3/8" Square Drive, 100mm (8Pc)Expert Quality, 8 socket fitted with hexagonal bits. All socket manufactured from hardened and tempered chrome vanadium steel with sand blasted bits of S2 silicon steel. Each socket has a knurled ring for extra grip. Supplied on a steel socket retaining rail. Key Features Expert Quality: This Draper Long Metric Hex Socket Bit Set features 8 high performance sockets designed for professional use, ensuring durability and reliability in every task.