S K ratchets, sockets and drive tools are designed and manufactured to meet the changing needs of today"s professional tool user. These are the highest quality, American-made ratchets, sockets, and drive tools available. Includes: Accessories: Universal Joint; 1/4"F-3/8"M, 3/8"F-1/4"M Adapters; 2", 6" Extensions; Pro Ratchet; Sockets: 1/8" - 9/16" Standard and Deep Sockets; Sockets: 4mm, 4.5mm, 5mm, 5.5mm - 16mm Standard Sockets. Packaged in a molded plastic case.