Mier's popular lines of enclosures are designed to accommodate a wide variety of uses. This extensive list of durable boxes offers a solution to most installation problems when it comes to size, style, and convenience. In addition to the instrument boxes listed here, Mier Products manufactures other styles and types of metal boxes, and offers a line of high quality Cam Locks to take security one step further.FeaturesRugged CRS construction with a one-piece piano hinge for strengthKey holes for quick and easy mountingDurable powder-coat finishHoles are in place for bolting the door shut, and a door knockout fits Mier?s line of cam locks, combo locks or 1/4-turn latchesMultiple, conveniently located electrical knockouts Use with Model 3000 locks