Strong Magnetic Design - It could attracted to the metal pegboard,fridge ,coffee machine metal side surface etc metal surface,the powerful magnetic support heavy espresso portafilter,coffee tamper,coffee dosing funnel,Milk Frothing Pitcher,Cup,Distributor Tools etc Coffee Tool Great for Organizing Coffee Portafilter - It is compatible with double spout portafilter and bottomless portafilter.Support 51mm,53mm,58mm Portafilter[Reminder:the "delonghi 9 series " coffee machine poratfilter is not compatible] Ideal for Space Limited Coffee Bar - The rack not spend space,you hanging some espresso accessories via the holder,not only work for coffee portafilter Adhesive Free& Flexible movement position - Different with adhesive holder rack ,the magentic rack won't harm internal and outside of coffee machine and changable postion anytime when you need.More convenient to use Simple and Functional - There is Black and Silver Optional, For better match your machine Warm reminder: Since some coffee machine shell are made of non-metallic materials, magnets may not adhere to them. We recommend attaching this magnet hanging holder to other metal surfaces, such as refrigerators or other metal objects