SmallRig Swivel and Tilt Adjustable Monitor Mount with 1/4"-20 Screws Mount 2904 is designed to hold your monitor for easy monitoring. It comes with bottom 1/4”-20 screws for accessories with 1/4"-20 threaded holes (hole centre distance=18mm) and a top 1/4"-20 screw for monitor, microphone, light, etc. The mount can tilt 180° and and swivel 360°. Its tilt axis is quickly tightened via a knob to suit different weight and features tested durability, with tilt load capacity decreased by no more than 20% after 10,000 tilts, while its pan axis is 360° adjustable via an Allen wrench. Bouncy locating pins on the top help secure Ninja V/ V ; and 1/4"-20 threaded holes at the bottom allow attaching Magic Arm 2070, etc. The thumbscrews have holes for Allen wrench to facilitate assembly and disassembly.