Installerparts 4U Hinged Extendable Wall Mount Bracket, Max 13.5" Depth 2 independent 2U hinges 16pcs M5 x 12 mounting screw included RoHScompliant Dimensions: 19 (W) x 7 (H) x 9.75-13.5" (D) 16pcs M5 x 12 mounting screw included