Troy has a new line of computer mounts that include a slide arm with a maximum reach of 17 inches, so you can adjust it into the most comfortable position. The slide arm is nine inches long and slides out an additional eight inches. It is designed to stop in a positive position anywhere along the eight-inch travel length. It also rotates 360 degrees and locks in a positive position every 30 degrees. Best of all, Troy computer mounts are shipped to customers completely pre-assembled.