Compatibility: Designed for projectors weighing less than 5kg with a single mounting hole. Please make sure your projector has a compatible mounting hole before purchasing to avoid incompatibility issues. Sturdy Construction: This bracket is made of high-quality aluminum alloy with a thicker and larger base to stability. It can meet a variety of installation needs. Adjustable Height for Convenient Use: The height can be easily adjusted by extending the inner rod and fixing it with a telescopic fixing valve. This feature allows for quick and easy adjustments, which is perfect for different viewing requirements. Versatile Mounting Options: This bracket is equipped with an integrated ball joint system that can tilt 90 degrees and rotate 360 degrees. It is suitable for most projectors, cameras, and camcorders, making it a versatile choice for various settings. Extended Range: The length of this bracket can be adjusted from 15.7 to 31.4 inches, which is perfect for a variety of installation needs. Its expandable design ensures that it can adapt to different spaces and settings, enhancing its practicality and flexibility. Name:I-type telescopic bracket Style:40cm-80cm Application scope:indoor and outdoor Size:upper tube diameter 24mm, lower tube diameter 28mm, hole distance 62mm, Chassis diameter 102mm, diagonal hole distance 87mm Colour:Silver Material:Aluminum Alloy Package Contents: 1 * Type I telescopic bracket 1 * Screw package 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.