New 12pc 1/2" Dr Drive Deep Air Impact Socket Sockets Set Metric W/case This 1/2-Inch Metric Deep Impact Socket Set Consists of 11 of The Most Commonly Used Sockets. This Isn`t Your Average Socket Set; The 11-piece Set Is Made From Chrome Vanadium Steel For A Lifetime of Consistently High Performance; Even When Used Very Frequently. The Set Includes: 10mm; 11mm; 12mm; 13 mm; 14mm; 16mm; 17mm; 19mm; 21mm; 22mm; And 24mm; And A Handy Carrying Case.