All Steel Metal Wire Coil 34Holes Punching Binding Machine + 300 sheets coils Youtube Video:https://www.youtube.com/watch?v=b9J-5lOujhc&feature=youtu.be All steel structure both inside and outside; Manual, no electricity required; Advanced carbide blades, powerful punch structure; Solid round steel handle, the best effort lever; Vertical pressure system, close coil completely Long power-saving handle; Waste drawer for keeping paper scrap Both punching and binding function