1/4 ", 3/8" & 1/2" drive so will fit any 1/4 ", 3/8" & 1/2" drive ratchets / bars / extensions etc. 6 Point single hex sockets. Made from chromium-vanadium steel for strength and durability and helps resist abrasion, oxidation, and corrosion. Supplied in EVA Foam tray .     Contains: 1/4" Drive: 1 x 10mm Shallow Socket, 1 x 10mm Deep Socket. 1 x 13mm Shallow Socket, 1 x 13mm Deep Socket.       3/8" Drive: 1 x 10mm Shallow Socket, 1 x 10mm Deep Socket. 1 x 13mm Shallow Socket, 1 x 13mm Deep Socket.       1/2" Drive: 1 x 10mm Shallow Socket, 1 x 10mm Deep Socket. 1 x 13mm Shallow Socket, 1 x 13mm Deep Socket.