General description Sealey Imperial Socket Set includes 11 pieces of 1/4'' square drive deep WallDrive single hex sockets. Made from chrome vanadium steel, these sockets are hardened and tempered for enhanced strength and durability. The WallDrive® configuration provides an additional 30% more torque handling power compared to traditional sockets, making this set ideal for daily professional use. Technical specifications Material: Chrome vanadium steel Socket types: 6-point Sizes included: 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 1/2", 9/16" Other information Fully polished chrome finish for corrosion resistance Knurled ring for extra grip with oily fingers Supplied with socket rail Lifetime guarantee*