The Clear Coffee Grinder has a lever on the side which allows it to be secured to table surfaces by suction. It is a coffee grinder with a transparent exterior. The bottom surface of the grinder is covered with silicone rubber making it stable to grind coffee beans without using the suction feature The burr is ceramic and metal parts are made with stainless steel. The entire grinder can be washed and the handle can be stored inside the grinder after use.