Group Head Flat Gasket (3-Pack) Fits Appia by Nuova Simonelli – 58mm, Rubber, Black, Pack of 3, Model 02280020.C is a practical choice for professional and everyday use. It is Designed for espresso, made with Rubber, supplied in the 58mm configuration. Designed for espresso, with a practical format for commercial and everyday use. Constructed with Rubber to support dependable, repeat-use performance. The 58mm configuration makes sizing and compatibility easier to confirm before ordering. Useful details include 3-pack of group head gaskets for a more convenient working setup. Supplied as 3; verify the package quantity shown in the specifications for purchasing accuracy.