The Kupo Universal projector mount features a base plate with slots cut in a vortex pattern for maximum flexibility, accommodating a wide array of Projector types. Four small arms radiate from the base plate that connect to the projector. Below The baseplate is a ball joint giving you 360 degrees of Freedom to position the projector. The ball joint is locked in place with a ratcheting handle. The design has flexible Rigging options With a combination junior 1-1/8" Pin and baby 5/8" Receiver. This robust mount can support up to 33lbs.