V-groove trimming: The lens grinder features a 35mm grinding wheel with a V-groove design, enabling -click edge trimming and V-groove for high efficiency and a secure frame fit. Flexible processing: This manual lens grinder allows precise control over grinding depth and range, supporting bevel cutting and profiling to meet personalized grinding needs. Detachable sink: Designed with a removable sink, it facilitates easy water addition, effectively blocks grinding splashes, and simplifies cleaning and maintenance. Adjustable water volume: Equipped with an adjustable valve, the grinder lets you control water output by turning a copper screw, making it suitable for grinding various materials. Applicable scenarios: for grinding resin, glass, PC lenses, and stones, this machine meets needs in spectacle processing and stone fine grinding; regular water changes help prevent pump clogging.