1、VERSATILE AND PRACTICAL: This crab clamp is an necessary photography accessory that securely fastens to cylindrical surfaces such as photography light stands, tripods, rails, stage supports, desks, outdoor barriers, and more. 2、STRONG EXPANDABILITY: The clamp features three 1/4 screw holes and one 3/8 screw hole, allowing you to easily expand and attach various equipment as needed. 3、PREMIUM CRAFTSMANSHIP: Made from premium aviation grade aluminum alloy and CNC integrated molding, the clamp has a matte texture for added durability and anti drop protection. 4、SILICONE PADDING: The adjustable clamp can be modified according to the shape of the object for a secure fit, while the soft silicone pad provides cushioning to prevent damage. Clamp anything, anywhere with ease. 5、EXCEPTIONAL PORTABILITY: Lightweight and compact, the portable clamp can be easily carried anywhere. It is the perfect tool for photographers, videographers, and DIY enthusiasts alike.