[E61 espresso machine head gasket] - 73mm (OD) x 57mm (ID) x 8.0mm thick silicone gasket,fits most modern E61 group heads such as gaggia,gaggia classic,VBM,Faema E61/E98,Decent, providing a higher quality upgrade to your E61 espresso machine gasket. [Upgrade your espresso group gasket] - Necessary Replacement Part for coffee makers, help to create a tight and secure seal that ensures no moisture escapes,safe and not deformed,will not crack, or leak. [Exact Fit and High-Quality] - using in specific Breville models which using E61 group head including models gaggia,gaggia classic,AZKOYEN, Faema E61/E98 and so on.Food Grade Silicone is odorless and tasteless; Durable, and easier to install and remove than rubber gaskets. [Kitchen Essentials Must Have] - Silicone replacement gasket seals are a must in life and in the kitchen, and any set of gaskets needs to be replaced, so having a spare steam ring on hand for coffee lovers is a must. Please double check the thick 8.5mm if fit your coffee maker before buying. 8.0mm Silicone Steam Ring for All Machines with E61 Group Head. Please double check the thick 8.0mm if fit your coffee maker before buying. Fits for following OEM Part Number: ATEL AZKOYEN BEZZERA CIME DIAMOND FAEMA FUTURA FUTURMAT-ARIETE GAGGIA SPAGNA GEM-FUTUREMAT GORENJE GRIMAC How to replace the seal: 1. Turn the coffee makers off, unplug from the wall, and let it cool down, take off all loose parts (tank, trays, etc) from your machine. 2.lay it on its side or back (towel for padding) 3. Make sure the allen key fits in snuggly, and take the screw out. 4. Use a thin screwdriver to gently ease off the grid, 5. Use a thin screwdriver to pick old the group head seal out. 6. Clean the grid of coffee residue and the cavity of the coffee machine before reinstalling, put the new silicone ring in, Re-secure with the screw anti-clockwise, then put the loose parts back, done.