Sturdy Stainless Steel Construction: Made from strong 304 stainless steel that resists rust and wear, providing long term use Enhanced Cooking: These replacement heat diffusers help spread heat evenly across the cooking area, allowing for consistent meal preparation Safe Cooking Accessory: These food grade stainless steel plates are and safe for cooking, creating a secure cooking zone Designed for knitter Spirit Models: These stainless steel heat plates are made to fit original parts for knitter Spirit I & II 200 series cooking units, including E 210 / S 210 / E 220 / S 220 ( 2013 2017) and Spirit II series with front control panel Economical Appliance Maintenance: Keep your knitter Spirit cooking unit in good condition without expensive replacements These long lasting heat extenders increase your appliance ' s usage time while maintaining authentic cooking functions at lower prices than manufacturer costs