Powertec Fitness Workbench Power Rack Customize your WB-PR14 to include the WB-UB13 which provides lock and load access and the WB-LTO14 cable system to provide cable driven exercises Innovative Gravity Lock catches are included that provide an easy access in and out catch lock which ensures safety at all times Expand the Power Rack by adding the popular Let Tower Option, Utility Bench and Olympic Set Weight Capacity: Rack 400 lbs. Dip Bars 400 lbs. Chin Up Bars 400 lbs. The Power racks also have a number for quick adjustments