1/4-20, 5/16-18, 3/8-16 UNC Screw Thread Round Die Tools (3 PCS)
Color Silver Brand HongYang Model 1-03 Quantity 3 Piece Material 9CRSI Other Features Specification: 1/4-20 UNC 5/16-18 UNC 3/8-16 UNC; American system; The round die is a thread cutting tool for processing and revising the external thread Packing List 3 x Screw thread round die tools