51mm Size - The tamper is designed to work with the 51mm portafilter and espresso machines, including the Delonghi pump machine series, Capresso PRO, and 800 Series. Packaged are a coffee tamper (51 mm diameter), a milk pitcher (12oz/350ml), and a silicone tamper mat. 18/8 STAINLESS STEEL - Your health is our #1 priority. Made of medical-use 18/8 stainless steel rather than 18/0 stainless steel or aluminum. Corrosion-resistant and rustproof. The wooden handle is made of Dalbergia Odorifera wood rather than cheap plastic, the same superior wood adopted by luxury car brands. Rest assured that you are getting your money's worth here. THE KEY TO THE PERFECT ESPRESSO DRINK - For perfectionists who demand the best possible tasting espresso shot. The tamper ensures you get a 100% PERFECT TAMP EVERY TIME. When fully compressed, the coffee grounds in the portafilter are compacted with consistent pressure every time—choice of professional baristas from the USA. PROVIDES CONSISTENT TAMPING PRESSURE EVERY TIME - Step up to the highest quality tamper available anywhere at this price point. You will never need to repurchase another tamper and will save time, money, and frustration. You will get a premium 18/8 steel milk pitcher. The inner wall of the milk pitcher has a scale for accurate measurements during use. The silicone tamper mat protects the tamper from damage to ensure long service life. Pro Tips - Ensure your portafilter basket is fully dosed with coffee grinds to get the right amount of pressure from the tamper for a tighter pack and richer flavor. For best results, groom the top of the basket with a finger or flat edge before leveling and tamping. If you're not satisfied with the products, we offer an unconditional money-payback guarantee. Must-Have Set for Barista - If you receive the 58mm tamper, no need to return anything, we will send a new set to you. Packaged are a coffee tamper (53 mm diameter), a milk pitcher (12oz/350ml), and a silicone tamper mat. Calibrated tampers are perfect for beginner baristas or pros who want to be 100% sure they applied the correct pressure. Compatible with any coffee and espresso machine with a filter holder & portafilters espresso machine PROFESSIONAL QUALITY - The calibrated espresso tamper has a 53mm food-safe base. Made of premium SUS304 rather than SUS430 or aluminum. Corrosion-resistant and rustproof. The handle is well handmade and made of premium African sandalwood. food-safe, stain-proof, exquisite appearance design for daily use. The inner wall of the milk pitcher has a scale for accurate measurements during use. UNIQUE DESIGN-The coffee tamper weighs 340g. The just-right weight helps you get consistent pressure every time to grind coffee granules better. The handles were ergonomically designed to ensure perfect grip and easy manual control, Perfect for preparing a quality espresso with a full aroma and taste. SAVE TIME AND MONEY - Step up to by far the highest quality tamper available anywhere at this price point. You will never need to buy another tamper again, and will save time, money and frustration. The tamper is pressure sensitive - when fully compressed, the coffee grounds in the portafilter are compacted with consistent pressure every time - the perfect tamp for the best tasting espresso possible. We are so confident that you will love our espresso tamper set that we are offering all customers a lifetime satisfaction guarantee. If you're not satisfied with the products, we offer an unconditional money-payback guarantee. KYONANO Service Team will try their best to achieve your satisfaction.