RotoZip Metal Cutting Bit is designed to efficiently cut through materials up to 18-gauge steel, including HVAC components, steel studs, and aluminum siding. Crafted from high-speed steel, this bit features a 5/32" diameter and a specialized tip that enables plunging directly into the workpiece, making the start of the cut easier and more precise. Its durability and design make it an essential tool for metal cutting tasks requiring accuracy and reliability. Model Number: XB-MC1