TARION Articulating 11" Magic Arm with Super Clamp for LED light LCD monitor DLSR camera Made of durable Aluminum and metal. This magic arm and clamp kit is with precise design and smooth operation, allows universal mounting options. The arm supplies 1/4" screw adapters to fit camera, lamp holder and other accessories. Articulating design, with one knob locks all position. The clamp is equipped with standard 1/4" and 3/8" screw holes. With two rubber soft layers, the clamp can prevent scratching. Perfect for LED light, LCD monitor or flash light etc. on cameras.