TORK CRAFT DIE HSS HEX 4X0.70MM 1'1/CASE NR3040-3TorkCraft HSS Hex Die Cased Pack: Qty 1 Application: TorkCraft manufactures high quality taps and dies for the professional mechanic and the DIYer. Choose from our wide range of taps, dies and accessories. For cutting external threads Versatile, hexagon shape for use with die stock or ordinary adjustable wrench Standard, pipe & metric sizes Right handed threads Size & starting side marked on each die What you need to cut internal threads: Correct size