Product Description 50075 Dies, 500B 14Mm X 2 Iso Hs.This item is used for Hand tools & Tool Organizers ,Other Hand Tools. This product manufacture by United States. From the Manufacturer Rigid 50075 M14 International Standards Organization High Speed Dies. The Rigid 50075 M14 International Standards Organization High Speed Dies are International Standards Org dies for use with 531, 541 and 500B 1/4"-1" Die Heads. The Rigid 50075 M14 International Standards Organization High Speed Dies are RH High Speed with an M14 rod size and 2.0 thread pitch.