This Snap-on Tools USA set includes a 3/8in. drive specialty socket with a universal/swivel socket type and a chrome surface finish. The set also includes a 1/4in. universal 9/16 deep socket and a 3/4in. deep socket, both with an SAE system of measurement. The set is a single item and comes with an unspecified length warranty. The manufacturer part number is FU8A and the set is made in the United States.