80-Piece Chicago Screw Assortment Kit, 7 Different Sizes, Metal Round Head Screws, Chicago Button Screws for DIY Leather Binding and Decoration

Various sizes: Comes with 7 different sizes including 5 x 5 mm, 5 x 8 mm, 5 x 12 mm, 5 x 18 mm, 5 x 25 mm, 5 x 35 mm, 5 x 45 mm, each size meets your different needs

Good quality: These screws are made of durable carbon steel, plated with silver nickel, sturdy and rust-resistant, good sealing, easy to tie, install and remove

Packed in a storage box: You can get your required size as the rivets are packed in a clear storage box and the dividers are arranged according to size; A total of 80 sets of Chicago screws are enough for your needs.

A variety of uses: beautiful and practical, good for leather craft decoration, bookbinding, documents, books, albums, DIY crafts, etc.

Size details: the shank diameter of these Chicago screws is 3/16 inch (5 mm), the shank lengths are respectively 3/16 inch (5 mm), 5/16 inch (8 mm), 1/2 inch (12 mm), 1 1/16 inch (18 mm), 1 inch (25 mm), 1-3/8 inches (35 mm), 1-25/32 inches (10 mm)