0 a set of metal tools of different sizes that fix onto one handle and are used to fasten and unfasten nuts on pieces of equipment
Sockets often come as a socket set with many different sizes or types of sockets to fit the heads of different-sized fasteners.
A ratchet of the set size is often included with the socket set.
Warranties on lifetime guarantee products such as screwdrivers, socket sets, etc., are often honored without proof of purchase.