Two Socket Mounting Plate Only This dual power socket\/meter panel accommodates USB and standard power sockets and meters that are 1-1\/8 inches in diameter. Constructed of injection-molded nylon. Specifications:Distance Between Holes (Length): 3-1\/2 in.Distance Between Holes (Width): 1 in.Diameter: 1-1\/8 in.Weight: 0.05 lb.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.