Capable of cutting a 2” (50 mm) holeDistortion free cuts of up to 1.2 mm thick in normal sheet metal (max - 400N/mm2) and 0.8 mm thick in high quality steel (max - 800N/mm2)To cut a hole inside sheet metal a starting hole of 8.5 mm (3/8”) is requiredIntegrated chip-separator for cleanly cut notches