These industrial drill bits are top-notch when it comes to jewelry production. Made with high-quality tungsten carbide, they are durable and strong, providing efficient and precise cutting every time. They are perfect for intricate designs and small cuts. The only con is that they can be a bit pricier than other drill bits but the quality justifies the cost... Overall, a great investment for any jewelry-making professional in need of reliable cutting tools. Industrial and scientific, these drill bits won`t disappoint!