Dimensions: 19.88"W x 13"H; Adjustable Depth from 13inch-18inch; Fitting deep equipments, the wall mounting holes on the back are spaced 15.94 inches center to center. EIA/ECA-310 compatible: Supports standard 19" rack equipment like switches, patch panels, shelves and others. Contents: 1 pc of 6U open frame rack , 24 sets of M6 screws and cage nuts, screws for assembly and mounting. Max. Weight Capacity: Made of high quality cold rolled steel with powder coating finish. This Sturdy wall mount rack can hold up to 110 pounds. Access and Cooling: Open frame design makes the setup, cable management and maintance more accessible , and keeps optimal airflow.