Description
Chicago screws: 3 sizes, 30sets for each size, 90 sets binding screws with flat head in total in one box.Bronze color..Screw post with 3 different sizes: post diameter is 3/16 inch/5mm, 3 kind of post length are 1/ 4 inch/ 6 mm, 3/ 8 inch/ 10 mm. 1/2 inch/12 mm..These book binding posts are made of high quality carbon steel material, Nickel Plated in Bronze, hard, sturdy and durable, with bronze plated on the surface, not easy to get rust and erosion..Threaded post let you easily applied with standard screwdriver.Easy to bind and remove, can be used repeatedly,good tightness..Wide application: especially suit for leather handicrafts decoration, bookbinding, document, scrapbook, photo,book, album binding, belt repair, DIY crafts, etc.
