The Concentric Needle Distributor V3 is designed to enhance espresso extraction by evenly distributing coffee grounds in your portafilter. Featuring 16 precision-aligned needles arranged on a fixed concentric disc, this tool eliminates clumps and creates a uniform puck for improved consistency. As you press and rotate, the needles follow 16 evenly spaced circular paths—breaking up dense areas and minimizing edge buildup. This ensures a smooth, level coffee bed every time, reducing channeling and enhancing shot quality. Perfect for both home baristas and professional use, the tool also features stepless depth adjustment: simply rotate the handle to match your filter basket depth for precise stirring control. Key Features 16-Needle Concentric Layout – Follows consistent circular paths to evenly stir and level coffee grounds Clump-Free Coffee Bed – Breaks up clumps and reduces uneven density for better extraction Stepless Depth Adjustment – Easily set your desired stirring depth by rotating the handle Durable & Easy to Maintain – Precision-machined, replaceable needles; includes spare needles and needle threader Note: 51mm and 54mm versions feature a 14-needle configuration for optimal fit and performance. The Specifics: Materials: 304 Stainless Steel / Anodized Aluminum / Brass Package Includes: 1 - Normcore Needle Distributor Tool V3 36 - needles 0.25mm 1 - Needle Installation Tool