The Sunex 1/2" Drive Deep 14-pc Metric Impact Socket Set, No. 2653, includes the most common sizes used for automotive repair. It is made of CR-MO alloy steel for long life, is fully guaranteed and includes a heavy duty blow molded storage case. The set includes sizes 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 21mm, 22mm, 26mm and 27mm.