About This PERFECT THE DISTRIBUTION: This coffee leveler will help you distribute the coffee grounds across the portafilter easily. Create a rounded flavor with your grounds evenly spread across the surface. MASTER YOUR TAMPERING: The tool creates a level tampering surface for you to develop the perfect flavor. Marvel at the ease with which you can now tamper, consistently producing quality beverages time and again. SIMPLE TO USE: This accessory for your coffee machine is easy to set up and simple to use. Place the tool straight onto your coffee ground, complete 2-3 clockwise around twists, and your smooth, even spread grounds are ready! ADJUSTABLE TO SUIT: Our leveler is fully adjustable, enabling you to set the height that is required for your coffee machine. Simply unfasten the middle rim on the device to adjust the wedge depth to the appropriate size. SUITS 58MM BASKETS: The 58.5mm base is designed to work with most espresso machine portafilters including Rancilio, Gaggia, La Pavoni, ECM, La Marzocco, Flair 58, Rocket, Breville, Astoria, and all E61 group machines.