Heavy Duty Electric Wire Coil Punch and Manual Coil Inserter 3:1 https://www.youtube.com/watch?v=WzxNr75scUc&feature=youtu.be All steel structure both inside and outside; Electricity power, more efficient; 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 Note: You are bidding an electric spiral binding machine only, no spiral supplies included