Features: * Stainless steel Smart Dosing Ring: Made of high-quality stainless steel, this dosing ring is designed to fit perfectly with 51mm, 53mm, and 58mm coffee filters. * Precise and Even Pressure: The stainless steel base of this dosing ring ensures that pressure is distributed evenly and effortlessly, resulting in a perfectly extracted espresso. * Easy to Use: With its user-friendly design, this dosing ring is a great tool for baristas of all levels. It helps you achieve the perfect filling of the pressure channel, a necessary condition for extracting the perfect espresso. * Sleek and Stylish: Design in silver, this dosing ring adds a touch of elegance to your coffee brewing setup. Specifications: *Part Name:Coffee Dosing ring *Material:Stainless steel *Size:51,53,58mm *Color:Silver Package Content: 1*Coffee Dosing ring Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Coffee Dosing Ring Grinder Funnel StainlessSteel Espresso Portafilter 51 53 58mm Made of high quality material, durable and practical to use. Perfect functions,give you a wonderful experience. Every customer can enjoy 30 days refund or replacement for Damaged/Quality Issues. If you have any questions, please feel free to contact us, we will solve it for you.