About This This is a 51mm tamper set. Please measure the inner diameter of your coffee basket before purchasing (the inner diameter is not the outer diameter, as shown in the picture) to avoid buying the wrong size and affecting your shopping experience. The 51mm tamper is made of aluminum, with a base diameter of 51mm/2inch and a height of 78mm/3.07inch. It has a smooth surface and a comfortable feel. It is moderately heavy and easy to press. The 51mm dosing funnel is made of aluminum with 6 magnets, which has a strong adsorption force. The advantages of this tool are: you don’t have to remove the dosing funnel, put the tamper into the coffee basket and press it, which can better prevent powder from falling. The 51mm puck screen is made of stainless steel. It has many holes, which allows the coffee to flow out evenly. At the same time, it can keep the coffee machine head clean. The coffee stirrer is composed of a wooden handle and a stainless steel needle. It is small and easy to use. It can be put into the wooden barrel after use. The cleaning brush can easily clean the coffee machine head and puck screen.