DURABLE ALUMINUM MATERIAL:From high-quality material body to ditching the noisy plastic-free gearbox, electric grinder was designed with durable in mind. We also used high-grade motor to Improve the performance in grinding HIGHLIGHT:Innovative propeller(PATENT DESIGN) discharges the coffee grounders in time to keep the coffee grinder from getting clogged. The stable performance will help aficionados and beginners alike find the fun in the brewing process PRECISION GRIND QUALITY:The burr coffee grinder with upgraded conical burr grinds true espresso, while also covering the full range of precise grind sizes for from pour-over to cold brew. Precise coffee particle size deliver outstanding consistency and flavor across all brewing styles PRECISION GRIND QUALITY:The burr coffee grinder with upgraded conical burr grinds true espresso, while also covering the full range of precise grind sizes for from pour-over to cold brew.