Air Impact Socket: 1) Factory direct price 2) All Size of Socket is on available 3) ISO9001:2000, CCC 1" Sq.Dr. Metric Standard Air Impact Socket, six point Specification: Type A: 17mm,18mm,19mm,20mm,21mm,22mm,23mm,24mm,25mm,26mm,27mm,28mm Type B: 29mm,30mm,31mm Type C: 32mm,33mm,34mm,35mm,36mm,37mm,38mm,39mm,40mm,41mm,42mm,43mm,44mm,45mm,46mm,47mm,48mm,50mm,52mm,53mm,55mm,56mm,57mm,58mm,60mm, ...