Designed to clamp your bed cover to. Each feature holes to accommodate rubber band straps or anything you think they can handle.
Price: $45.00 includes shipping. Includes 2 brackets and mounting hardware. PayPal only. Pm me for details.
Testing: hung 20 lbs worth of weight in each hole...
Yeah I agree with you. I think I can make 3/4" ones work. My printer should be here next week. I'll go to a truck stop and get the lights or order from ebay if cheaper.