Improved geometry Much sharper burrs improve grinding quality and coffee extraction Smoother surface results in less electrostatic - less clumping Improved design around screw holes reduces coffee retention Sharpness and smoother surface maintains temperature balance Special coating - TDC (food safe certified) substantially increases longevity Cost-effective - lasts for about 5000 kg of coffee Best quality design, materials and manufacturing Made in Switzerland Upgrade your grinder with Swiss-made Helfezi 65 mm flat burrs, engineered for baristas who demand consistency, clarity, and speed. Designed for Mahlkönig E65S, E65S GbW, E65W GbS, K30, K30 2.0, K30 TWIN, K30 TWIN 2.0, K30 ES/VARIO and K30 VARIO AIR. Also fits Ditting KE/KED Anfim Pratica, Anfim Luma, and Dalla Corte DC grinders. TDC (Titanium Diamond Carbon) Coating - a next-generation surface treatment that dramatically enhances performance and lifespan. Machined with micron-level precision in Switzerland and tested under real café conditions, Helfezi burrs deliver fast, uniform particle distribution with minimal retention and excellent heat stability. The TDC coating offers superior edge retention and low-friction grinding, minimizing flavor loss and ensuring a smooth workflow even during peak hours. Whether you're dialing in high-end specialty beans or maintaining consistency across high-volume service, these burrs are engineered to meet the highest expectations.