Very stiff clamp style device holder with interchangeable brackets

Very stiff clamp style device holder with interchangeable brackets the table clamp will screw down onto something as thin as sheet metal and up to right at 3" thick the white bracket pulls out to 7" and the extra black one pulls out to 3" phone, tablet, flat speaker, mirror, magnifier, or any other flat device you need held in place the arm is 24" long and VERY VERY STIFF as long as the object it is clamped to is not moving, it will NOT move weight 8.7 oz shop my palace to bundle up to 5 pounds per order