V4 Plam Coffee Tamper Fits for all 51/54/58mm Portafilters Made of food-grade 304 stainless steel and Natural Walnut, ikape espresso tamper works with all 51/54/58mm portafilters. Compared to other cheaper tamper machines, this tampered stainless steel base gives you peace of mind when making espresso. The combination of wooden handle and stainless steel base reflects the beauty of combining nature and technology. The Calibrated Tamper with PVD Titanium Coating Process The titanium plated coating makes the bottom more corrosion resistant and durable. And it has a static-reducing effect, so there's less coffee powder sticking to the distributor dispenser after each use, making your coffee-making cleaner. Innovative Pressing Method The cylindrical design allows you to fully utilize the middle part of your palm when pressing powder, making pressing easier. And add concave structure on the top, ergonomic design makes you press powder more comfortable. Consistent Concentric Ring Coffee Surface Espresso Tamper This calibrated tamper provides over 30 lbs of optimal mashing power. By using this espresso tamper, you will get a flat concentric ring pattern in your portafilter. Numerous tests have shown that a concentric ring ground espresso coffee surface obtained at 30 Ib strength produces a better quality espresso, and the consistency of 30 Ibs of pressure will bring a great tasting coffee experience to you. Easy to Press The IKAPE V4 tamper is constructed with a built-in dual-stage spring that provides a perfect 30 pounds of pressing pressure as well as prevents pressing sideways. All you need to do is gently press this espresso tamper and you'll get a perfect coffee puck. perfect for new coffee lovers and professional baristas