Steam Release HandleThe steam release handle is design for Ninja Foodi OP301, OP401of 6.5qt and 8 qt only and controls Sealing and Venting, works same as original one totally . It is easy to use and install, which also grips the metal piece it attaches to without easily falling off. Food Grade Material: Our steam release valve is made of food grade PP plastic and Sus304 stainless steel. No BPA, non-toxic and tasteless, meets FDA standards. The best choice for enjoying healthy and safe cooking. SizeExternal Size: 4.78x 2.69cm or 1.88' x 1.06 (LxW) Internal Hole Diameter: 1cm or 0.4' Fast Steam ReleaseThis pressure cooker replacement parts is easy and fast to release the pressure to avoid long cooking time with old accessories, features the characteristics of high temperature resistance, safety and durability. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.