for 51mm Portafilters: to check your portafilter's inner diameter before purchasing to a . Enhanced Coffee Extraction: Achieve a superior espresso taste with this essential tool. By evenly distributing coffee grounds before tamping, it prevents channeling and optimizes extraction. This results in a more balanced, flavorful espresso shot every time you brew. Essential Tool for Espresso: Whether you're a professional or a coffee enthusiast , this espresso distribution tool is indispensable. It simplifies achieving a consistent and delicious espresso, enhancing your coffee-making experience. User-Friendly Design: This coffee distributor is designed for ease. Rotate it clockwise or counterclockwise to evenly distribute coffee grounds. Its weighted nature simplifies the process, ensuring a perfectly even bed of coffee grounds ready for tamping. Adjustable Depth for : Tailor the distributor to your needs by adjusting the height. Simply loosen the middle rim to modify depth, allowing for precise control over the coffee bed's density, which is crucial for a perfect espresso extraction. Specification:51MM Color:As Shown Material:Stainless Steel + Solid Wood Package Contents: 1 * Coffee Distributor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.