Making delicious coffee is all about understanding and taking control of the variables. Distribution is a major variable that impact on quality and consistency. Simply place on top of your dose in your portafilter and spin in a clockwise direction to evenly and consistently distribute your coffee before tamping. Low profile makes it easier for barista to tamp with straight arm at 90 degrees to the counter. Evenly redistributes coffee grounds and provide a larger flat surface area for the barista to apply an even tamping pressure using the palm of the hand which helps with control and consistency Height is adjustable by it's screw mechanism (no grub screws ,shims, or allen keys required) to suit different doses or baskets Solid Food 304 Stainless Steel Base enable you to feel reassurance when you make espresso. Anti-slip Aluminum Alloy handle is perfect for hand use.Anti-rust design , its pretty delicate with premium material and exquisite appearance