The Hornet Outdoors Universal Small-Diameter Tubing Smartphone, Camera, or Video Camera Holder gives you a rock-solid machined-aluminum clamp with secure hold and easy operation. Unlike other mounts that make you lock down the joints 1 at a time, this device holder has a unique Quick-Adjust arm with a single knob at the center elbow joint. This easy-to-use solution locks and unlocks the center joint and ball joints at each end with 1 twist. Includes Go Pro® Mount, and the Phone Clamp can accommodate phones up to 4" wide with or without a case, and it removes easily to expose a standard 1/4"-20 stud compatible with the tripod sockets on most cameras. The aluminum clamp securely attaches to round bars between 3/4" and 1" dia. Includes inserts for all size fits in that range. Machined-aluminum clamp with secure hold and easy operation. Quick-Adjust locks and unlocks the center joint and ball joints at each end with 1 twist. Fits phones up to 4" wide. Removes easily to expose standard 1/4"-20 stud compatible with most camera tripod sockets. Item(s) will ship directly from manufacturer; delivery options and/or shipping upgrades are unavailable. Please allow 10-14 business days for delivery. Contiguous 48 states only. A street address is required for delivery.