Reasonable Design? The coffee grinder features a 250G bean warehouse, making it suitable for large office capacity. Adjustable Grinding Gears? With 1-25 adjustable grinding gears, you can customize the particle size of the grind according to your brewing method, ranging from ultra-fine for espresso to coarser for french press coffee. Mobile Powder Rack? The grinder is equipped with a mobile powder rack, allowing you to directly place the powder receiver for convenience. Embedded Powder Receiving Bin? The embedded powder receiving bin prevents powder from flying during grinding. Quality Grinding Core? Featuring a SUS420 stainless steel grinding core Conical Burr, the coffee grinder ensures fast, low-temperature grinding, uniform particle size, and minimal heat generation, preserving the flavor and aroma of the coffee beans intact. Part Name: Coffee Grinder. Material: ABS, SUS420 stainless steel. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. Please allow slight manual measurement deviation for the data. Also, the each additional item means exactly the the same color and size.