The Jonard Tools FC-500 precision fiber cleaver is designed to provide a precise cleave and prepare a fiber to be fusion spliced for 250 µm and 900 µm coated optical fiber. This fiber cleaver features the following: Provides a cleave with a cutting angle of less than 0.5° for optimal fiber preparation for fusion splicing Long life of 48,000 cuts with 16 position blades Lightweight and rugged design for long term durability Holds 250 µm and 900 µm fiber and comes with built in fiber trash can Scaled holder for accurate cleave lengths from 5 to 20 mm (0.20" to 0.79") Ideal for fiber technicians, fiber splicers, and anyone that needs to cleave a fiber optic cable prior to performing a fusion splice