Features and Benefits: * Sockets have 1/4 drive and are 12 point * All Duo-Socket sockets are marked by both roll stamp and large laser etching on the opposite side * The ratchet included is a 72 tooth quick release * Wobble extension provide 15 degree of deflection and can also be locked straight for normal use * Packaged in blow molded case The thin wall design of chrome hand sockets are combined with the strength and durability of Grey Pneumatic impact sockets to create the Duo-Socket. This 31 piece set is built specifically to address the needs of the professional technician using hand tools, cordless impact tools and air tools. The Duo-Socket provides one socket for all applications. This set includes the following: 72 tooth quick release ratchet, 2 and 6 wobble extension and the socket sizes include: Standard and Deep Metric: 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm.