When more strength is required that the plastic bins just won’t hold the weight, or you need bigger openings, the metal bin cabinets will work. They are all welded and manufactured from 12 gauge steel and designed to hold up to the tough environments. The standard 6 inch 7 gauge legs are on this cabinet. The cabinet is locked with a padlock using our standard 3-point locking system.//This cabinet has 72 openings that measure 7 .4375 inches wide x 7 .4375 inches tall. When organization is a must for your heavy small parts, tools or whatever needs to be organized and put up. This cabinet will hold the load.