Want less? Bundle!!! Knodos Espresso Stainless Steel Dosing Ring, does not include Puck Screen. Like new condition but box has a little creasing and wear. See measurements and ask questions if unsure of size. The smallest area, measured inside circle at bottom, is 2 7/8" and the outside bottom edge is 2 3/4". Measured from the top, larger side, it is 3 1/8". Please check a mm to inch converter but 74mm would be 2.913386 inches.