(2) #12 size grinding plates and (1) sharp stainless knife. 3/16" (4.5mm) for burger. 1/2" (12mm) for chili meat We will substitute sizes upon request. Two sizes in one set for hamburger grind and chili meat. GO STAINLESS if you do a lot of meat grinding and sausage stuffing. Plate measures 2 3/4" across. 5/16" thick. Knife is 2 3/8" tip-to-tip. 1/2" (12mm) center sq hole. Easy clean-up and storage. Fits virtually all brands of electric or manual grinders that use the standard #12 size. Drop an email or call us if you need help identifying your units needs. We can usually help. Most plates are also available in #5, #8, #22 and #32 sizes. How does combined shipping work? Most of our products qualify for significant combined shipping discounts. When purchasing more than one item, your shipping discount will be automatically calculated at checkout. View our complete store at https://www.ebay.com/str/butcherbaker