Magnusson Standard Socket Set, MT87 featuring a standard socket type is a must-have for any tool box Socket Set is forged from high-quality chrome vanadium steel Socket set includes 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm and 14 mm sockets Set has a socket drive of size ¼" Magnusson Standard Socket Set displays measurements according to metric system of measurement