One (1) used Extrusion Dies Inc. model Ultra-flex R75 sheet die having a 54″ slot opening. Integral upper flexible lip and removable lower lip. 45 degree restriction bar. Adjusting bolts on 1″ centers.. 1 ½” back center feed. Manufactured in 1979 . Serial number 79-3566-4. Includes two spare lower lips. Reportedly used up to .250 thickness