SCRIBE TOOL: This DualScribe is a professional-grade blade made for scoring fiber conductors before breaking and polishing. CONSTRUCTION: Blades are reversible, and double-ended blades extends the lifespan of this hand tool versus single blades. EASY TO USE: Precise and controlled scribing is assured with a soft non-slip grip. Barrel twists to loosen blade and reverse blade end. EXCELLENT DESIGN: The fiber optic scribe comes with a clear safety cap that protects the blade when not in use and makes it easy to carry. SPECIFICATIONS: The package includes [1] ruby or red scribe that ensures a precise score with a 30° single bevel.