General description This Draper 1/4" Square Drive Imperial Socket Set includes 11 high-quality sockets made from chrome vanadium steel, which is hardened and tempered for durability. The sockets feature a micro satin finish for a smooth surface and enhanced corrosion resistance. Each socket is equipped with a knurled ring to provide a better grip during use, and the set is supplied on a sturdy metal rail for organized and secure storage. Technical specifications Material: Chrome vanadium steel Finish: Micro satin Drive size: 1/4 inch Number of sockets: 11 Socket sizes: 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 1/2", 9/16" Compatibility and accessories Compatible with 1/4" drive ratchets and extensions Supplied with a metal rail for storage Installation Insert the desired socket onto a compatible 1/4" drive ratchet or extension Usage Use the sockets to tighten or loosen nuts and bolts within the specified sizes Ensure the socket fits securely onto the fastener