Set of 2 large clamps - Maximum opening size: about 43 mm - Standard 1/4" screw - Maximum load: 2.5 kg - Width can be adjusted and used flexibly. < p>The device can be rotated and you can adjust it 180 degrees to fit other demand scenarios. It has a wide range of uses.You can install it on a bicycle or motorcycle to save the beautiful clips on the way. The bottom clamp can be mounted on a tripod, the side of the desk and so on supports the adapter.The side of the ball head can fix the Speedlite, LED video light, camera, camcorder and more. Easy installation, it is easy to use and set up in minutes, it can be mounted practically anywhere, convenient and fast.