YIXISI 100 Set M5 x 5/8/10/12 mm Chicago Binding Screws Assorted Kit, 4 Sizes Book Binding Rivets Kit, Leather Rivets Kit with Screwdriver, for DIY Leather Decoration Bookbinding, Black Nickel

• Package including: 100 PCS screw posts, 100 PCS chicago binding screws with 4 sizes, Includes 1 PC screwdriver and 100 PCS nylon spacer.
• High Quality: It is made of carbon steel, it is sturdy, durable for a long time and can be used repeatedly.
• In a Storage Box: Chicago screws kit is packed by a clear storage box, which is partition put according to their sizes, easy to get your wanted size and convenient to carry.
• Easy to Use: Practical combination of screw kit . As long as your book or leathhas holes with a diameter of 5mm or less, you can use them for binding. You only need to install two parts from both sides to achieve the binding effect!
• Wide Application: especially suit for leather handicrafts decoration, bookbinding, document, book, album, DIY crafts, etc.

Specification: Color: Black Nickel Material: Carbon steel Package include: 25 x M5x5mm 25 x M5x8mm 25 x M5x10mm 25 x M5x12mm 100 x M4x4mm Screw 100 x Plastic Gaskets 1 x Screwdriver