The FPCM-1-AL has one universal mounting arm assembly and is constructed from cast aluminum. The assembly arms are height and width adjustable to fit the mounting holes of most flat panel monitors, 30" to 61" diagonal, up to 170 lbs. A kit including several sizes of spacers, washers, and bolts is included to fit the arm assembly to the back panel of most monitors. Additional hardware may need to be purchased for monitors with unusual back panel dimensions. The monitor and accessories attach to t