Check the listing for details. ADJ VSGSB Ground Support Base for Vision LED Video Panels idjnow. Condition: New. Listed at 329.99 USD. VSGSB Ground Support Base, VSGSLT Ground Support Ladder Truss and VSGSCSB Clamp Support Bar can be used to create a solid frame to support a Vision Series video wall from behind. This can be used to setup a freestanding screen of up to six panels in height and unlimited width, with ballast provided using conventional sandbags or stage weights. The system is designed for use with the existing VSRB1 Rigging / Ground Stack Bar, which sits between the lowest panel and the ground, as well as the VSRQR Rear Quick Clamp, which connects the rear of a panel to the Ground Support Ladder Truss behind. All products in the new Ground Stack System are robust, lightweight, and finished in matte black, making them ideal for use by production companies and on touring productions. ADJ VSGSB Ground Support Base Features:3ft (0.91m) long.Includes 2 couplers and pins.Must use with VSRB1 Base Bar and VSGST Truss. Each VSGSB Retail Box Includes: (1) ADJ VSGSB Ground Support Base for Vision LED Video Panels(2) Couplers and Pins