The NSK M25L Internal Spray Fiber Optic Contra Angle Handpiece is a premium 1:1 direct drive handpiece designed for precision restorative, finishing, and prophylactic procedures. Equipped with Cellular Glass Optics, it delivers bright, shadow-free illumination directly at the operative site for enhanced visibility. The internal single spray system ensures efficient bur cooling during continuous use, while the Clean Head System helps prevent suck-back of oral fluids, improving infection control and extending the lifespan of internal components. Its push button chuck allows quick and secure bur changes with excellent retention. Crafted with a slim stainless steel body, the M25L offers superior balance, ergonomic grip, and smooth performance, making it ideal for routine clinical applications.