1、It adopts quality metal material, high strength, anti-rust and durable. The clamp is covered with anti-slip rubber, it can hold things firmly 2、The clamp is 360 degree rotatable in horizontal, help you easily change the angle of it 3、There is a knob that can adjust the main tube to make the clamp adjustable in vertical direction too 4、Comes with a 1/4'' & 3/8'' screw hole adapter, it can make the clamp compatible with most light stands 5、Useful tool for photography studio, versatile for holding backdrop, light reflector, etc Features: It adopts quality metal material, high strength, anti-rust and durable. The clamp is covered with anti-slip rubber, it can hold things firmly. The clamp is 360 degree rotatable in horizontal, help you easily change the angle of it. There is a knob that can adjust the main tube to make the clamp adjustable in vertical direction too. Comes with a 1/4'' & 3/8'' screw hole adapter, it can make the clamp compatible with most light stands. Useful tool for photography studio, versatile for holding backdrop, light reflector, etc. Specification: Material: Metal + Rubber Color: Black Screw: 1/4'' & 3/8'' Size: Approx. 9 x 11.5cm / 3.54 x 4.53in Weight: Approx. 220g Package List: 1 x Metal Clamp 1 x Screw Hole Adapter