Williams MSB-12RC 12-Point Socket Set with 3/8-Inch Drive, 12-Piece Keep-Safe-Foam system keeps tools organized and helps prevent loss All tools are professional quality, made of high-grade chrome vanadium steel Sockets feature super torque lobular openings for greater turning power without deforming the fastener Metal tool box made for years of rugged use Keep-Safe-Foam system keeps tools organized and helps prevent loss All tools are professional quality, made of high-grade chrome vanadium steel Sockets feature supertorque lobular openings for greater turning power without deforming the fastener Metal tool box made for years of rugged use