COMPATIBILITY: Single Computer monitor mount free standing Desk Stand Riser fitting screens for 14,15,17,19,21,23,27inch Plasma flat screens TV with 75x75mm or 100x100mm backside mounting holes. ERGONOMIC VIEWING: Designed to elevate your monitor to a better viewing angle encouraging better posture for your neck and back while working long desk hours. FUNCTIONAL DESIGN: Adjustable bracket offers +-12° tilt, to 360° rotation. Monitor can be placed in portrait or landscape shapes. EASY INSTALLATION: Mounting your monitor is a simple process with an open top slot. Universal size:14-27inch Column diameter:75x75/100x100mm Colour:Black Material:Cold rolled steel Package Contents: 1 * bracket 1 * screw package 1 * wrench 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.