Aluminum Easy open ends are available in all sizes. Ends are available for packing retort (sterilized) food products and also for packing powder products. Safety feature (prevent hand-cut is available). Available Size Range (Diameter): 200(50mm), 202(52mm), 209(63mm), 211(65mm), 300(73mm), 307(83mm), 401(99mm), 502(127mm), 603(153mm)