The GOSONO Steps cutter is a must-have for any industrial workshop. Based on our own experience this product is a game changer for drilling through the toughest materials .The superhard cutter makes drilling through metal effortless, and the step design allows for precise and clean cuts at various sizes. The only downside is that it can be a bit costly compared to other industrial drill bits in the market. Overall, this is a top-of-the-line cutting tool that makes drilling a breeze..