Professional Tamper for Espresso Machine Coffee Bean Press Aluminum 58mm by LiquidWorx Professional Grade Espresso Tamper for use with all types of espresso and coffee machines Brilliant red anodized aluminum finish for a beautiful and long lasting finish and dishwasher safe! Chrome Plated and Polished 58mm diameter base Ergonomic Aluminum handle machined from high quality aircraft grade billet aluminum Tamping and compressing the coffee grounds makes the water flow more slowly which gives it more time to extract an even richer flavor!