158mm Adjustable Distributor: Height is adjustable by it's screw mechanism (no grub screws, shims, or hex wrenches required) to suit different doses or baskets, you can set the desired depth of compaction, every time maintain consistent compaction pressure. 2Stainless Steel Material: Made of stainless steel, anti rust and corrosionproof, and features 3 angled slopes base that efficiently, evenly and consistently move the coffee around in a circle motion to create an even puck. Easy to disassemble and assemble, easy to clean. 3Ergonomic Handle: The dispenser is built with an ergonomic smooth walnut handle for a comfortable and firm grip. Therefore, providing a steady handling so that you can easily make the perfect coffee puck. It feels perfect in your hand. 4User Friendly Design: Low profile makes it easier to tamp with straight arm at 90 degrees to the counter. Evenly redistributes coffee grounds and provide a larger flat surface area to apply an even tamping pressure using the palm of the hand which helps with control and consistency. 5Warm Note: 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.