The Matthews Matthellini Clamp with 6-inch End Jaw offers a safe and secure grip of round, square, rectangular, and other odd-shaped tubing. This chrome-finished clamp provides a fixed jaw mounted at the end of the threaded portion of the shaft, and the top of the shaft sports a 5/8" baby pin for mounting! A great option if you’re looking to rig light fixtures, modifiers, cameras, grip heads, and much more.