The espresso Calibrated Coffee Tamper is spring-loaded and does not require additional adjustments. Compared with the existing calibrated tampers on the market, this coffee is designed to press down vertically and evenly to ensure a consistent distribution and pressure every time. You can easily and comfortably compress your favourite ground coffee using this tamper. - Key Features - ⦾ Made of food-safe stainless steel ⦾ Aluminium alloy / Wooden handle ⦾ Spring-loaded ⦾ Suitable for different espresso machines in the market with 3 different sizes: 51mm 53mm 58mm