Stanley Wrench Metric 27 Pieces 10 Mm 16 Mm 3/8 " 5/8 " 17 Mm 24 Mm 11/16 " 1 " Fits both metric &standard sizes Quick adjust dials help eliminate the need for sockets Composite design for durability Twin ratcheting heads for speed and reversible ratcheting action Includes - 26 sockets &ratchet