The Electric Lens Edger Polishing Machine for Resin Glass PC Stone Knife is a must-have accessory for your DIY Optical Equipment setup. Its adjustable water output feature ensures precise edging for different materials, including Resin Glass, PC stone, and knife blades. The detachable sink makes cleanup a breeze, after every polishing session. With the automatic edging function, you can easily shape lenses to your desired curvature. This machine's durability and precision make it an excellent investment for those in the optical field, looking to enhance their craft. Its compact design fits on a countertop, making it convenient for use at home or in a workshop. Upgrade your optical equipment game with this Electric Lens Edger Polishing Machine for Resin Glass PC Stone Knife - Adjustable Water Output with Detachable Sink, DIY Optical Equipment.