The Alpen 6.0mm Tungsten Carbide Glass Drill is designed for clean and precise drilling in delicate materials like glass and porcelain. Its robust tungsten carbide build allows for durable, long-lasting use, ensuring consistent performance when used in rotary mode. Brand: Alpen Diameter: 6.0mm Material: Tungsten Carbide Range of Application: Glass, bottles, porcelain, ceramics Operation: Rotary only Features: Precision engineered, durable, suitable for delicate materials