Replacement blade for 90 55 280. Designed for cutting iron, copper, or aluminum sheets with a maximum thickness of 1.2 mm and plastic with a maximum thickness of 2.0 mm. Materials are cut without deformation, allowing for clean cutting edges without the need for finishing. Features a chip breaker. Cutting width: 2.7 mm. The capacity includes half moons, square millimeters, square drives, stepped squares, triangles, as well as clamping widths for hexagons, round, and square shapes.