4" Expansion Box Aluminum Slab Die Kit

4" Expansion Box Slab Die Kit for 4" Extruders. Cast aluminum expansion box die kit for slabs. It will produce a 6" diameter round tube with a wall thickness of 3/8" or 1/2". To layout an 18" slab, cut tube down one side of the tube. Use of this Die Kit requires the 4" Aluminum Expansion Box.