Key features Food Grade Silicone Material: This silicone gasket features food grade silicone that is odorless and tasteless, specifically designed for Rancilio home machines to provide a more effective seal and improved performance Precise Dimensions for Perfect Fit: With an outer diameter of 7.35cm, inner diameter of 5.8cm, and thickness of 0.84cm, this coffee gasket is specially designed to fit the group head of your espresso machine Easy Installation and Removal: Brew head gasket is equipped with 4 grooves in the side wall, making it easier to remove and replace without struggling with tight or stuck gaskets for Rancilio Silvia Espresso Machine Repair Kit Durable and Heat Resistant Construction: Made from softer silicone material, this coffee group head seal part is built to last and is resistant to heat, pressure, and wear, ensuring a reliable and consistent performance over time Compatible Replacement Part: 36301030 espresso group gasket with size OD: 7.35cm/2.89", ID: 5.8cm/2.28", Thick: 0.84cm/0.33" can restore optimal brewing conditions and enjoy freshly brewed espresso with rich flavor and crema Set of Two Gaskets Included: This replacement kit includes 2 group head gaskets to ensure you have a backup gasket available for future maintenance needs of your Rancilio Silvia espresso machine Free shipping included. 30-day hassle-free returns.