Pick your sizes Solid stainless steel grinder plates for Thunderbird TB-300E Pick your sizes. These plates are the popular #12 size that are 2 3/4" across and fit most major brands of electric and manual grinders. 5/16" thick. Center hole is 3/8" These plates fits the Thunderbird TB-300E These are high quality plates from Butcher-Baker. Each plate is etched on the edge with the plate hole size for easy identification. Each plate is $16.75. Buy more than one and save on shipping. We ship very quickly! 1/8" (3mm holes) very fine mince 3/16 (4.5mm holes) small hamburger 1/4" (6.0mm holes) typical hamburger 5/16" (8mm holes) large burger 3/8" (10mm holes) small chili 1/2" (12mm holes) typical chili 5/8" (16mm holes) coarse grind 3/4" (20mm holes) xlarge and coarse product 2-hole plate. For using your grinder to stuff sausage into the tubes Buy three or more plates and receive Priority mail shipping upgrade View our complete store at https://www.ebay.com/str/butcherbaker