... /4" material:Cr-V Short Socket1/2 short socket8mm,9mm,10mm,11mm,12mm,13mm.14mm,15mm16mm,17mm,18mm,19mm,20mm21mm,22mm ... ,28mm,29mm,30mm,32mm3/8 short socket6mm,7mm,8mm,9mm,10mm,11mm,12mm,13mm.14mm,15mm16mm,17mm,18mm,19mm,20mm21mm,22mm ... ,5.5mm, 6mm,6.5mm,7mm,7.5mm,8mm,9mm,10mm,11mm,12mm,13mm.14mmSurface finish:chrome platedprocess:heat treatment ,drop ...