60 Sets Black Chicago Screws Assorted Kit 1/4 1/2 1 Inches Screw Posts Metal Accessories Nail Rivet Chicago Button for DIY Leather Decoration Bookbinding Round Flat Head Stud Screw M5x6/12/25mm

*Pack of 60 sets, diameter 3/16" (5mm), 3 kind of length 1/4" (6mm), 1/2" (12mm), 1" (25mm).

*Made of high quality metal, advanced Black nickel plated, anti rust, effectively enhance the capability of corrosion resistance and the decoration effect.

*Strong metal texture, perfect decoration effect, high hardness, easy to binding, good tightness.

*Easy to install and remove, can be used repeatedly.

*The scope of application is wide.Especially suitable for leather handicrafts decoration, document, book and album etc. bookbinding.