The RPS Studio Background Wall Mount is a heavy duty background holder made of metal and mounts to wall studs or ceiling joists. Arms are 1-5/8 In. wide and vary in length from approximately 5-1/2 In. to 8 In. long to allow background material to easily move up and down. Overall length of the mount is approximately 12-1/2 In. with the back plate measuring 1-3/4 In.