Lavi industries, slim frame with hinged connection, 50-sfp402h/cl/mb, 48″ x 24″, matte black 48″ x 24″ hinged frames feature our patented hinge-grip connectors that slide perfectly into the dovetail grooves of our beltrac 3000 posts, allowing the panels to be angled to suit almost any queue configuration. Slotted slim frames have an open slot at the top of the frame, specifically designed to easily change out media. Slotted frames come with two clear acrylic panels to protect the printed media.