• 47 piece set is made in the U.S.A., featuring SK's high polish SuperKrome finish, which protects the tools from the harsh working environments found in today's workplace. All sockets feature SK's patented SureGrip hex design, which drives the side of the fastener, not the corner, to avoid edge breakage which can occur on rusted or damaged fasteners when a traditional straight cornered hex tool is used. • Set Contents: 7.5" Pro Ratchet; 3", 6" Extensions; 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8" Standard Sockets; 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8" Deep Sockets; 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm Standard Sockets; 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm Deep Sockets. Packaged in a molded plastic case.By SK Hand Tool.