【Super Clamp】Super clamp is designed with 1/4" and 3/8" threads. The opening of the super clamp is provided with an anti-skid rubber to help it lock tighter. It can open a maximum of 5cm and can be mounted practically anywhere, for example, desk, crossbars, and other places where the thickness is less than 5cm. | 【Anti-slip design】Ball head at the bottom of the knob of the magic arm is designed with a red anti-slip rubber ring to increase friction and help to lock the equipment tighter. The articulating arm has an anti-slip rubber cushion on the bottom of both ends to prevent scratches to the bottom of the LED light. | 【Solid & Durable】: The magic arm camera mount is made of aluminum alloy, solid with higher durability; Three knobs control its direction separately, easy to mount, adjust and place. The maximum load capacity of the magic arm is about 0.25kg. | 【Widely Application】Standard 1/4" screw on both ends of the magic arm is suitable for LED video Light, Microphone, Phone Holder, Super Clamp, and other lightweight accessories with 1/4" screws hole. | 【What You Get】Note: The photography accessories contained in the package may change, subject to the actual receipt. Sorry if this causes you any trouble. Package Content: 1xUpgraded 22 inches/57cm Adjustable Articulating Friction Magic Arm; 1xSuper Clamp Holder; 1xPhone Holder; 1x1/4” to 3/8” Screw Adapter ; 1x 1/4” to 5/8” Screw Adapter