This die extrudes an octagonal shape with a 5mm wall. The die is compatible with 4" round Scott Creek clay extruders. Extrusion Dimensions: The inner width of the extruded shape is 76mm (~3") and the outer width is 84mm (~3 3/8"). Die Dimensions: Overall dimensions of the die are 4 1/2" in diameter and 1" tall. Base Cutter: The correspond