There are quite a few duplicate sockets, all are thorsen made The Vintage Thorsen 1/4″ Drive Breaker Bar Socket Set includes 20 standard SAE sockets ranging in size from 5/16in. to 1/4in. These 6 point sockets feature a chrome surface finish and are made in the United States. The set comes with a case for organized storage and includes various sizes to suit different automotive needs. The Thorsen brand is known for its quality and durability, making this socket set a valuable addition to any tool collection.