Blade R3 features the self-developed Rapidity-3 grinding core 2. Utilizes a brand new 45° cutting edge and 70° corners, evenly distributed for blade-sharpness. Enhances grinding efficiency while being more lightweight 3. Suits for both espresso and brewing coffee 4. Equipped with five specifications of sieve mesh: 600/850 for coarse powder testing 300/400/500 for drip coffee testing.