1、1/4INCH SCREWS: Photography C clamp comes with 3 x 1/4inch screws, suitable for most DSLR cameras, LEDs, tripods, lighting tripods, etc. meeting several different direction shooting needs, 2、ADJUSTABLE DESIGN: Adjustable C clamp for tables or tubes up to 60mm thickness, such as tables, tubes, bicycles, umbrellas, etc. The crossbar can enhance the hand feeling and reduce the retraction time. 3、RUBBER PADS: Anti slip rubber pads prevent your device from slipping and scratching, protect your device from scratches, thick rubber inside the clamp ensures stability. 4、WIDE APPLICATION: Camera C clamp is versatile, compact and portable, suitable for photo studio shooting, home or outdoor photography. 5、ALUMINUM ALLOY: The C clamp is made of premium aluminum alloy, sturdy and stable, not easy to wear or break. The sturdy construction ensures long lasting performance.