Impact Standard Socket. 17pcs 1/2" drive standard socket set. 6 points. Metric size. 17PC. Contents :10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 21mm, 22mm, 23mm, 24mm, 27mm, 30mm, 32mm. Impact Standard Socket