Black Box Wallmount Bracket, 6U, 19" W x 6" D, M5 Square Holes, 50# Capacity For simple, straightforward wallmounting of patch panels and other equipment, this bracket gives you the best value for your money. Hinged front panel swings out, making rear cable access easy. Holds 6U of equipment. Features a rear cable pass-through hole. Includes built-in cable lacing points for organizing cable clusters.