This die extrudes an octagonal shape. It fits in 5" Bailey clay extruders. Extrusion Dimensions: The inside width of the extrusion is 3 3/8" and the outer width is 3 7/8". The wall thickness is ~1/4". Die Dimensions: Overall dimensions of the die are 5" x 6" and about 1" tall. Base Cutter: The corresponding cutter is optional. It can be u