Steel book shelf 1. Six layers for the files. 2. Without door. 3. Easy to put in or out the files. Steel book shelf Steel book shelf, it is the necessary solution to store the files in the company, library or bank. Feature: 1. Double side for the shlef, four layers.2. Can make the wooden side plate3. Special making for the layers4. The surface tretment is powder coating and has the good capacity ...