Drive Size = 1/2 inch, 1/4 inch // Set Type = Socket and Ratchet Set // Drive Type = Square // Quantity = 72 // // Stanley 1/2″+ 1/4″ Socket Set, 72 Piece - STMT82831-1 72-piece set in a rugged, Durable case with metal tabs Contents: 1 x reversible 1/4" 72T ratchet with two-component handle 10 x 1/4" sockets (6-point): 5.5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 mm 9 x 1/4″ long sockets (6-point): 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 mm 2 x 1/4-inch extensions: 3 inch - 5 inch 1 x 1/4-inch universal joint 1 x 1/4-inch bit magazine 1 x 1/4-inch rotating crank 22 x 1/4-inch bits: PZ - PH - TORX - HEX 1 x reversible 1/2-inch ratchet 72T with two-component handle 19 x 1/2-inch sockets (6-point): 8 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 20 - 21 - 22 - 23 - 24 - 27 - 30 - 32 mm 2 x 1/2-inch spark plugs: 16-21 mm More links to ″Stanley 1/2″ + 1/4″ socket wrench set, 72 pieces - STMT82831-1″.