Built to Last: Gemstone grinding machine is made of high-quality stainless steel with rust prevention function, compact structure, and elegant appearance. All precision components are durable for long time use. High Power & Low Noise: The lapidary faceting machine features a 100% copper wire motor, presenting a stable running speed of 0-2980 rpm. Adjustable rotating speed regulation and low noise design offer a comfortable working environment. Precise Manipulator & Scale: The equipped, high-efficient manipulator can polish gems at multiple angles and heights with the 96-gear mechanical handle. It can be adjusted up and down, facilitating smooth rotation, reducing shaft loss, and making your grinding more flexible and straightforward. Thoughtful Details: The gem faceting machine has a lamp, a highlight, and an independent switch that can be moved at various angles to provide a brighter line of sight