UNC & UNF Tap and Die Set Specs:10 UNC dies size:4-40,6-32,8-32,10-24,12-24,1/4,5/16,3/8,7/16,1/26 UNF dies size:10-32,1/4,5/16,3/8,7/16,1/2NPT die size 1/8-2710 UNC taps:sizes as dies6 UNF taps:sizes as diesNPT tap size as dietap wrench-American patten 1/2" capacityT typeiron box+color boxQTY:10SETSMEAS:40*30.5*15CMG.W:18KGSN.W:17KGS