Features: Specially designed for 870, 876, and 878 coffee machines, these grinding adjustment shims enhances your grinding precisions, ensuring grinding for improved extraction and flavor. Crafted from high durability stainless steel, these shims are wear resistant, easy to replace, and ensure seamlesses compatibility with your coffee machine's burr requirements. Suitable for coffee enthusiasts seeking perfect grinding quality, professional aiming to elevating their service standards, and coffee makers looking for efficient grinding solution. Perfect for home coffee brewing, commercial coffee shops maintaining equipment at performances, and specialty drink preparation requiring fine grounds like espresso and cold brew. Enhancing your coffee experience by unlocking the full and taste potential of your beans with these precisions engineered grinding adjustment shims, a must have accessory for any serious coffee aficionado. Specifications: Texture: Stainless Steel Applicable Model: For 870/876/878 Diameter: Approx. 1.18inch(3cm) Package Includes: 5 Set Grinding Gasket note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.