Place Card Holders for Tabletop Use, Rotating and Tilting Axe Clamp, Plastic (Clear) - Set of 50 Axe clamp holds signage up to 0.375-inches thick. Works best with cardstock to prevent signs from falling over. Large round base keeps fixture in place. Rotating and tilting ball joint allows for perfect positioning. Displays2go SKU#: DS03C000CL