Having a limited rotation angles and a flat surfaces, it can fit well with tilted or irregularly shaped workpieces Using high strength steel spring to provide anti slip grip, it can firmly fix items in place Nonslip handle, Easy to use Special designed handle provides comfortable grip Used for Photography Backdrops, Woodworking, clipping paper, canvas and muslin backdrops to a crossbars Make of tough, it is enduring and can maintain strong clamping even after repeated use, Manufacturer: Fentency