The Crab-Style Clamp from Raywowo is constructed from durable aluminum and features a ball mount on the top for connection with the Raywowo Action Camera Mount. On the inside of the jaws, nonslip rubber padding prevents accidental falloff. This clamp provides a a maximum open jaw of 2.6". It can be sturdily and conveniently secured on a tripod leg, water pipe, handrail, pole, shelf, table, branch, and more. Featuring a large locking knob, it allows you to comfortably lock or release it.