Large Quantity:The Chicago screwing set kit comes with 120 sets of four sizes screw posts,the diameters of these Chicago buttons are all 5mm,with 4 different lengths,including 6mm,8mm,10mm and 15mm,the large quantity is a good supply for DIY craft,also can be use widely in your daily life.
Durable & Sturdy:These Chicago screws are made of high quality carbon steel,electroplated,durable & reusable,easy to remove and install,not easy to get rust or erosion.
Convenient for Bookbinding:These screws can fit nicely on the bookbinding,the buttons are easy to remove and install so that you can add or remove the paper freely by your thought and won't get hurt to your paper or document.
Clear Storage Box:All the screw posts are in a transport plastic storage box with removable baffle to separate these compartments,convenient for you to find or storage the different sizes Chicago screws.
Wide Applications:This screw posts are perfect for adding ornaments to your DIY handicraft decoration,suitable for leather,clothes,shoes bag,hat,document,invoice,scrapbook,photo album binding,belt repair,tent,tarps or other items.