ZFE 1Set Of 1/2"-28 HSS Right Hand Tap and Die Set ZFE 1Set Of 1/2"-28 HSS Right Hand Tap and Die Set Right Hand Tap and Die set Size:1/2"-28,Pitch:28 Tap and Die Set(2 Pieces, 1 Tap 1 Die) Round shank with square end allows tap to be used in hand or power-driven applications