LIKE NEW ! Hardinge 5C 5" regular depth step chuck closer , 2-3/16" - 10 threaded mount . Marked Hardinge 5" step chuck OC closer . Fits Hardinge chuckers and other Hardinge equipment with 2-3/18" - 10 threaded mount . Buyer to pay shipping on 5 pounds . Due to excessive and abusive negative feedback from Canadians , I no longer sell to Canada .