Even Distribution: This espresso needle distributor tool features 10 slim needles that evenly distribute coffee grounds to break up clumps and ensure a loose texture for uniform extraction and richer flavor in your espresso shots. Adjustable Height: Featuring an adjustable height mechanism, this magnetic coffee stirrer allows you to the distribution depth for different portafilter sizes including 51mm, 53mm, and 58mm models. Magnetic Base Design: The builtin magnetic base provides secure attachment to most espresso machines, keeping your workspace organized while offering convenient singlehanded operation during busy brewing moments. Precision Needle Construction: Crafted with 10 durable stainless steel needles measuring just 0 mm each, this tool effectively eliminates channeling and promotes consistent tamping pressure for professionallevel results at home. Use scenario 1: Before tamping, use the needles to break up clumps and distribute grounds evenly to promote uniform extraction. Use scenario 2: For different portafilter sizes (51mm, 53mm, 58mm), adjust the height to set the correct distribution depth and achieve consistent results across shots. Use scenario 3: During busy or onehanded brewing, rely on the magnetic base to secure the tool to the machine for steady operation while you prepare the next steps.