Amtech 12pc Chrome Vanadium Steel Metric Socket Wrench Kit 45 Tooth Ratchet Set. Ratchet handle and sockets are manufactured from durable chrome vanadium steel construction. 45 tooth ratchet with quick release button allowing rapid socket change. Socket wrench set comes with storage rail which keeps your sockets and ratchet handle secure and organised. 1/2" drive socket set contains frequently used 6 point 6 point 10-24mm metric socket; sizes 10-11-12-13-14-15-16-17-19- 22-24mm. Ideal for a wide range of tasks around the home, garage and garden; 1PC 1/2" to 5" (125mm) extension bar allowing work in those hard to reach places.