Strong aluminium frame with secure lock (supplied with two keys)4mm security glass frontsmart, modern design can be positioned with the door opening on either the left or right hand sideunique fixing bracket allows one person installationeach case has 37mm frame depth with 15mm usable space inside and a 10mm gap between each a4 page for improved presentationfits 6xa4blue felt interior for use with pins and hook and loopwxdxh: 692x45x752mmweight: 9.37kg