Designed with a slag collector that can catch paper slag during punching and make cleanup simple. Metal construction is strong and long-lasting, beautiful and portable, and simple to use. may be shrunk for simple storage For typical loose leaf loops, the cutting depth is 12 mm (0.5 in) and the punching diameter is 6 mm (0.2 in). Punches 20 A4 sheets of paper, and the body is resistant to corrosion.