New design grinder, ergonomic structure, small portable, easy to use. Premium material, made of aerospace aluminum, stronger and more reliable than zinc alloy products. High-quality grinder, 4 parts, with herb collecting tool, 3-stage grinder, with extra fine filter. Diameter 63mm (2.48"), height 48mm (1.89"). Excellent service: If you have any questions during use, please feel free to contact us.