Chicago Binding Leather Bookbinding M5X6 10 12Mm Crafting Review

made of carbon steel of good quality, hard, sturdy and durable, with nickel plated on the surface, Strong metal texture, perfect decoration effect, high hardness, easy to binding, good tightness.not easy to get rust and erosion, providing long service life. Screw post measurement: this set of screw posts has 3 lengths, 6 mm (1/ 4 inch), 10 mm (3/ 8 inch) and 12 mm (1/ 2 inch), diameter 3/16" (5mm). Easy to apply: this set of screw posts is easy to install, use a drill to punch a hole of 5 mm diameter, then you can install the 2 parts from 2 sides, they can bind different items. Wide range of usage: the screw post is suitable for holding and decorating document, book, scrapbooking, photo album, etc. good supplies especially for leather handicrafts. Quantity: the package includes 90 sets of screw posts in 3 sizes, 30 sets in each size, and they are all in silver color.