Lavi industries, vertical swivel sign frame, 50-1130sv-s/mb, 7″ x 11″, for 7′ posts, matte black our fixed-mount sign frames for 7′ retractable belt stanchions enables the setting and locking of the frames on top of a beltrac post utilizing the grooves of the stanchions for perfect fit and ease of installation. These exclusive beltrac frames are the best in the industry. They feature radius corners, eliminating sharp edges near your customers for safety and provides for a sleek design. Each frame includes twin clear acrylic panels designed to accept regular printed paper media. Slotted to allow easy access to media.