Material: Crafted from durable zinc alloy with an electrophoresis-coated surface for enhanced corrosion resistance. No Catcher, No Screen: Designed without a spice catcher or sifting screen – simpler to use and clean. Simple Structure: Available in 3-piece design (new version: 4-piece, still no screen). Easy Operation: Twist right to tighten, left to loosen – intuitive and effortless. Manual Only: Non-electric, giving you full control over your grind. Note: Avoid over-tightening to prevent the threads from getting stuck.