Feature: 1. Custom Fit: This group head gasket is specifically designed for Rancilio Silvia coffee machine, with an outer diameter of 7.35cm, an inner diameter of 5.8cm, and a thickness of 0.84cm for a precise fit. 2. Food Grade Silicone Material: Made from food grade silicone, this group gasket offers precise workmanship and long lasting durability, ensuring seamless compatibility with your coffee machine's brew head. 3. Heat Resistant: The softer silicone material is resistant to heat, pressure, and wear, providing dependable and stable performance over extended periods of use in your coffee making routine. 4. Enhanced Sealing Performance: This coffee machine gasket delivers superior sealing capabilities, restoring optimal brewing conditions so you can enjoy freshly brewed coffee with rich flavors and crema every time. 5. Easy Removal And Replacement: Equipped with four side wall grooves, this seal gasket allows for convenient removal and replacement, eliminating concerns about the gasket being too tight or stuck. Specification: Item Type: Group Head Gasket Material: Silicone Weight: Approx. 36.00g/1.27oz Outer Diameter: Approx. 73.5mm/2.89in Inner Diameter: Approx. 58mm/2.28in Thickness: Approx. 8.4mm/0.33in. Package List: 2 x Group Head Gasket Note: Pay attention to the size of the seal gasket and the applicable coffee machine.