Coffee Grinder: The stainless steel ceramic grinder features a built-in adjustable grinding switch so you can finely tune it to get the desired coarseness. Simply turn the grinding knob counterclockwise for coarse grinding and turn clockwise for fine grinding. Additional replacement 1 ceramic grinding core.Manual Coffee Grinder: Transparent triangular stainless steel design and foldable hand crank, the transparent container is easy to observe and can control the amount of ground beans and avoid waste. The friction between the hand and the hand coffee grinder, not easy to slip, helpful for improving the efficiency of grinding.Manual coffee grinder made of stainless steel The coffee bean mill is made of brushed stainless steel. The conical ceramic burr ensures durability and high quality coffee bean grinding results.Portable: Our manual coffee grinder is very compact and ideal for a quick coffee break. No matter where you are, enjoy freshly ground coffee EASY TO USE: Simply fill the grinder with coffee beans and turn the crank handle to grind - so easy. The hand crank mechanism eliminates noise and allows you to grind and prepare coffee in peace.