Quality and materials: these craft pins are made of iron, with plated on the , rust-proof, smooth, and and have good flexibility; Paper washers are 1 mm thick each, not easy to break and can be applied for a long time Package includes: this paper fasteners set includes 300 pieces 20 mm/0.78 inch cotter pins, 300 pieces brass washers which is 15 mm in diameter, and 1 single hole metal punch Easy to use: you just use the single hole pliers to punch a small hole in the place you need to install, use the push pin to pierce the paper, insert the plated fasteners into the hole, separate the 2 feet Wide range of usage: these paper fasteners, washers, single hole metal punch are suitable for DIY handcraft projects, paper crafts, card making, scripting, scrapbooking etc., great for holding multiple sheets of paper together, or use it to store documents, photos, ribbons or other items Good accessories for paper crafts: the complete set of tools is combined to easy to use at any time, great for schools, offices and home use, Weight: 0.67130758779 Pounds, Manufacturer: tiyao