FM Photography McClamp, #3301, 1" Mount Clamp and Micro Holding Clamp, 26" Flexible Articulated Arm 1" Mount Clamp opens 7/8" - 1 3/8" and mounts on most tripods. An internal screw allows the clamping pressure to be adjusted. Micro-Clamp holds delicate flowers with neoprene interior jaws or holds firm objects with outside plastic jaws Flex arm extends 26" Lays flat in camera bag. 2 internal wires add stiffness. One or both wires can be removed for more flexibility, see Pliers product Minimize wind effects and compose for a better background