Self Levelling Calibrated Coffee Tamper 58mmTamping coffee is another important variable in your espresso preparation, with every barista having their own technique and pressure you can get a range of different results even when using the same coffee and brew recipe. The Calibrated Coffee Tamper has a spring loaded base that has been engineered to deliver consistent pressure. This consistent pressure paired with the 58mm flat base gives you the best chances of making great tasting espresso