Distribute Effectively - This tool helps with coffee grind distribution by breaking up clumps, and evenly distributing coffee in the portafilter. Reduce Channeling - Distribute before tamping not just help reduce channeling, and also promote more even extractions.0.3mm Needles - Each needle is 0.3mm and the arrangement of 9 needles effectively breaks up the coffee clumps. Equipped with a bristle brush in the base for detachable cleaning.Premium Material - The coffee stirring needles are made of food-grade 304 stainless steel, rust-proof and durable. The rotating handle part is made of Anodized Aluminum.The Specifics:Materials: 304 Stainless Steel / Anodized Aluminum Body: CNC Machined and Anodized AluminumNeedle Diameter: 0.3mmNeedle Depth: 18-22mm 58mm: Weight 305g54mm: Weight 280gPackage Includes: 1 - Needle style Distributor Tool V21 - Distributor Stand