Nickle Plated P.O.S. System Bolt works with all P.O.S. Accessories. This item is included with your acrylic panel at no extra charge, however, if you are interested in creating and fabricating your own acrylic or wooden panel and use this bolts and other P.O.S. accessories for your displays, you may purchase these bolts. Please note you will require 15 mm diameter holes to insert these in to.