FULL-MOTION- Adjustable projector mount has a 360° rotation and 120° angles adjustment pivot ball head. Just swivel your projector. Upgraded durable larger ball head for better angle fixation to get better projection view. EXTENDABLE LENGTH-Projector with extension pole inside has an extending length from 40-80cm. Great projector mount for LCD LED DLP projectors MOUNTING- Mini Projector Mount screw diameters is 6mm M6. Upgrade the surface of the thread adapter to increase friction and make installation easier. BETTER MATERIALS-Projector ceiling or wall mount use thicker aluminum alloy to ensure the mount for projector stable and durable. Well-built and nice projector mount. GREAT FOR PROJECTION-The video projector mount is designed for wall or ceiling with Anti-shake Design and Reinforced Base note: Different batches may have different appearance, which does not affect use. Material: Aluminum alloy colour: Black Package Contents: 4 x Projector Ceiling Mount Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.