The Alpen 8.0mm Tungsten Carbide Glass Drill offers precision and durability for delicate drilling tasks. Made from high-grade tungsten carbide, it is perfect for creating clean holes in glass, porcelain, bottles, and ceramics. Use in rotary-only mode to avoid damage. Brand: Alpen Diameter: 8.0mm Material: Tungsten Carbide Range of Application: Glass, bottles, porcelain, ceramics Operation: Rotary only Features: Precision engineered, durable, suitable for delicate materials