This grinder utilizes high-quality diamond grinding wheels and combines coarse grinding, fine grinding, and V-groove grinding. Its removable water tank makes water changes easy and convenient. Suitable for polishing resin, glass, PC, and stone, it is widely used in optical shops, hospitals, and other locations. Feature 1. Equipped with two detachable upper and lower water tanks for convenient water changes. 2. Choose between 180-grit and 280-grit grinding wheels. 3. Its double-support base ensures a stable structure and prevents shaking during operation. Specification Name: Optical Hand Edger Voltage: 110V, 220-240V Grinding Wheel Material: Diamond Grinding Wheel Parameters: 35WV, width 35mm Power: 50W Product Size: 35x23x23cm/13.8×9.1×9.1in Gross Weight: 4.1kg/9Ib Package Content 1 x Optical Hand Edger Note 1. To avoid injury, do not touch the grinding or polishing wheels on the machine while the machine is running. 2. After the machine has been used for a period of time, please replace the dirty water in the water tank with clean water to avoid clogging the water pump. 3. Due to different measurement methods, the error is generally 1 – 2 cm, and the error range is not within the quality range.