Auth-Florence Collection Bundle Boxes are built of heavy-guage aluminum and feature a hopper door that will accommodate large bundles. The hopper door is constructed of 1/4" anodized aluminum for added security. The CCR model is available in recessed or surface-mounted, 36" high or 60" high options and features 1-1/8" high engraved letters. Optional features include: rear panel prepared for postal lock, custom engraving and snap on trim kit for recess-mounted models.