Features 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. Specifications 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