PRECISE CLEAVING：Provides a cleave with a cutting angle of less than 0.8° for optimal fiber preparation for fusion splicing BUILT-IN FIBER HOLDER：The fiber cleaver can hold 0.25mm,0.9mm and 3.0mm single fiber with a readable scale for accurate cleave lengths from 5 to 25mm VERSATILE USE：Ideal for field splicing applications, splicing trucks, laboratories, fiber technicians, fiber splicers, and anyone that needs to cleave a fiber optic cable prior to performing a fusion splice DURABILITY：Lightweight and rugged design increased durability. Also easy to disassemble and operate, allowing easy blade replacement Tungsten steel blade:a service life of up to 48,000 times. Automatic knife return 1.