The Explorer SX-MA Sidekick Magic Arm is the ultimate Ultra-compact mounting solution for mounting accessories, monitors, lights & more. It features a four swiveling ball joints for ultimate flexibility and movement with a 1/4"-20 mounting screw on each end, with a mounting platform on one end. The large knobs make it easy to adjust and lock in position.The Explorer SX-MA Sidekick Magic Arm is made from High quality anodised aluminum, Weighs 85g (2.99oz) and has a maximum load of Max load 1.8kg (3.97lbs).