Features: brand new and high quality Tight seams, stable operation and not loose. This tool helps with coffee grind distribution. Simply spin and go in a few seconds. Breaking up clumps, evenly distributing coffee in the portafilter, reducing channeling, and thus promoting more even extractions. The coffee stirring needles are made of 304 stainless steel, rust-proof and durable. Specifications: Material: Aluminum Alloy+Stainless Steel Color: Gray, Black(optional） Bottom Diameter: Approx.51mm/2.01in, 53mm/2.09in, 58mm/2.28in(optional) Package Includes: 1x Espresso Stirrer note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.