Features: The ES601C Coffee Dosing Rings ensures a secure fit on various portafilters, preventing coffee grounds spillage and enhancing extraction for richer, aromatic espresso. Crafted from premium heat resistant plastic, this dosing rings maintains structural integrity during high temperature brewing while offering ergonomic, tool free installation. Designed for home baristas and coffee enthusiasts seeking professional grade consistency in their daily brewing routines. Optimize your espresso preparation workflow in kitchens or coffee stations by containing mess and ensuring uniform coffee distribution. Suitable for most standard coffee machine portafilters, this essential coffee accessory combines durability with precisions engineering for repeatable brewing excellence. Specifications: Material: Plastic Size: Approx. 2.63x1.57inch(6.7x4cm) Package Includes: 1x Portafilter Funnel note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.