Item Type: Articulating Arm Material: Aluminum alloy and stainless steel Screw Holes: 2pcs 1/4in screw holes Maximum Load: 20kg / 705.48oz Package List 1 x Articulating Arm 1One Key Lock: Single locking knob is adopted in the articulating arm, which can achieve for quick locking and removal to adjust the angle. 2Faster Rotation: This articulating arm adopts independent joints, faster rotation direction. Angle can be adjusted at 360 to meet your various angle needs. 3Non Slip: The upper and lower tooth surfaces of the articulating arm fit together, which can prevent slippage and increase the locking force. 4High Quality Material: The ball head and thread are made of stainless steel, which is stronger and more reliable. The bracket is made of aluminum alloy. 5Wide Application: Universal 1/4 screws at both ends, can be connected to high definition monitors, tripods, fill lights, camera cage and other equipment.