North Star Equipment Big Blue Medium Die Set Hollow Dies For Big Blue Extruder

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North Star Equipment Big Blue Medium Die Set Hollow Dies For Big Blue Extruder BIG BLUE MEDIUM DIE SET: 1 EACH 3-1/2" Round, Square, Hex Hollow Dies for BIG BLUE EXTRUDER NOTE : DOES NOT INCLUDE CENTER BRACE Medium Basic Die Set: 991A Round: 3 1/2" OD hollow; 991B Square: 3 1/2" OD hollow: 991C Hex: 3 1/2" OD hollow 3/4" Thick HDPE Polyethylene Plastic Dies. No Rusting or Oxidation CNC Machined for Exact Shapes. All dies are made of machined 3/4 inch HDPE polyethylene. In general, the walls of extrusions 3-1/2 inches OD or less are 1/4 inch thick, while larger pieces have 5/16 inch walls. All dies have Counter-Sinking around the edges or where the brace passes through the extrusion. This is to add in healing of hollow shapes and give even pressure around the opening.