Fine Needle Size Version 0 of the Accessories for WDT Tools uses a fine needle size of approximately 0.4 mm to enhance clump dispersion and ensure even coffee distribution. Durable SUS304 Pin Durable SUS304 pin crafted from SUS304 material provides reliability while meeting health and safety standards, offering long lasting use. Replaceable Needles The MHW3BOMBER Needle Distribution Tool 0 comes with replaceable needles, delivering convenience and options for your brewing needs. Efficient and Stable Featuring resilient and stable fine pins, the tool for WDT Tools 0 delivers steady performance, efficiently breaking down clumps and achieving consistent coffee distribution. Use scenarios Pour over and drip brewing preparation: use to disperse grounds and break up clumps before extraction for more even saturation. turnover or busy environments: quick, repeatable distribution to maintain consistency across multiple cups. Home barista : needles to suit your preferred grind size and brewing method for optimized distribution.