The CTA Tools CTA-8140 Mortorq Spiral Drive System Socket Set, 5-Piece is a set of five sockets that are designed to fit on the CTA Tools Mortorq Spiral Drive System. The sockets are made from high-quality steel and are designed to fit most standard tools. The set comes with a carrying case that makes it easy to transport and store. The CTA Tools CTA-8140 Mortorq Spiral Drive System Socket Set, 5-Piece is a set of five sockets that are designed to fit on the CTA Tools Mortorq Spiral Drive System. The sockets are made from high-quality steel and are designed to fit most standard tools. The set comes with a carrying case that makes it easy to transport and store.