You can cut thin iron plates, aluminum plates, and resin plates that were difficult to handle. Applications: For the production of chassis boxes, robots, and for processing of aluminum housings for DIY computers, etc. Size: Total Length: 7.3 inches (185 mm) / Blade Width: 0.2 inches (6 mm); Weight: 6.7 oz (176 g); Cutting Capacity: Aluminum Plate: 0.001 - 0.06 inches (0.2 - 1.5 mm); Steel Plate: 0.004 - 0.06 inches (0.1 - 1.5 mm) (1 mm (1 mm) (1 mm) / Iron Blade feed when cutting the inner side of the bottom hole Open before working. The tip blade is replaceable. Please purchase the TZ-21 separately. Packaging may change without prior notice.