Features: Unique handle design, easy to hold and easy to press coffee powder. It is a good helper for caffeine extraction.Food Grade Material: The base of calibrated tamper is made of highquality 304 stainless steel which made it food safe and easy to clean.The unique spring design brings you the pleasure of pressing powder. You will feel it also go down when you press down hard, and return to its original position when you let go.Perfectly Flat Base: This coffee tamper has a perfectly flat base that can fit the portafilter closely to provide a better tamp compared to convex basesGreat for home or office use, or a great gift for coffee lovers.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 13cm deviation due to manual measurementBase size: 51 or 53 or 58mmMaterial: stainless steel