The Lat Tower Option is a hybrid system that can be used with the optional selector weight stack set or with your existing olympic weight plates. The total Weight capacity is 500 lbs. The Lat Tower Option will connect to: WB-PR, WB-HR, and WB-RS and compliments your home gym equipment as it expands and adds a wide variety of exercises. * Connecting to the WB-HR and WB-RS will require an additional connector (sold separately). Designed specifically for Powertec Products Only.