9.Solutions - Savior Spring Clamp

The Savior Spring Clamp is the fast-mounting version of the Savior Clamp. It is fitted with a strong, torsion spring that delivers maximum clamping force. It has unique, articulating jaws that can fit firmly onto any oddly shaped object. Whether mounting on round, square, or flat objects, the peak-and-valley design of the jaw allows for multiple points of contact, ensuring a strong grip every time.
The Savior Spring Clamp is tapped with one 1/4"-20 and one 3/8"-16 female threaded hole on each of the jaws. This makes it possible to mount multiple pieces of equipment on one clamp.

Click here for details, specs & description on manufacturers site.