7/8" Aluminum Screw posts are anodized with a hard coating to produce a antique brass color. If you are looking for a way to spruce up your photo album, scrapbook, swatch, or even a menu these are a great item. The post length is 7/8" and the diameter is 3/16". The post length is the maximum binding thickness (inside length.) Post and screw heads are 7/16" diameter and 1/16" thick. The screw thread is #8-32. 3/8" long screws are furnished with the 7/8" Antique Brass posts. You should punch or drill a 1/4" hole in your documents to accept these posts. Quantity per package is 20 for these aluminum screw posts. We can supply larger quantities on request. Please call for a quote on orders of 30 or more packages.