A stapler is a portable machine used to feed heavy metal materials into wood, plastic, or construction. Staplers are used in many different applications and for repairing a variety of materials, including insulation, home siding, ceilings, wire, rugs, furniture, and hobby and craft supplies. Modern paperclip staples are made of galvanized steel wire which is glued and bent to form a long strip of staples. Base bands contain 210 pins per band.