Diamond grinding wheel: This manual edge grinding machine is equipped with a robust diamond grinding wheel offering a coarse grind at 16mm (180#) on one side and a fine grind at 19mm (280#) on the other. It features a V-shaped beveling groove for precise edge refinement, allowing you to shape lenses efficiently in a single pass. Detachable water tanks: This manual grinding machine includes dual detachable water tanks for effective water management. This advanced water circulation simplifies maintenance and keeps the working area clean, ultimately enhancing the efficiency of optical professionals in achieving consistent, high-quality lens processing. Adjustable brass water valve: Our lens edging machine features a high-quality brass water valve controlled by a user-friendly rotary knob. The use of brass provides superior corrosion resistance and longevity compared to traditional metal alternatives, ensuring reliable performance that stands the test of time in demanding work environments. Dual stand and splash guard: The lens edging machine boasts a double-support structure that enhances stability and minimizes vibrations during operation. Please avoid removing the sponge pad as it is essential for the effective functioning of the splash guard, ensuring a clean and safe working environment. Application: This manual lens edger is an essential tool for optical processing, expertly designed for grinding, shaping, and refining a variety of eyeglass lenses. It caters to a range of widely used lens materials in the eyewear industry, such as lightweight resin lenses, high-hardness glass lenses, and durables impact-resistant polycarbonate lenses.