HAMBURGER PRESS. Make perfectly shaped patties in no time! Non-stick burger press molds a 4-1/2" diameter, bun-sized patty with the ground meat of your choice. Just place a ball of meat inside and close firmly - spring-loaded design shapes patties of any thickness from 1/4" to 1-1/2". Heavy-duty aluminum with non-stick coating assures easy release and quick clean-up. Also available: set of 350 parchment squares to separate shaped patties for freezing.