Deskerxizer Kit, Over Desk Weight Lifting Workout Machine includes support struts, weight holder, travel guides, support rod, 2 ball bearing pulleys, black cable and all connecting and mounting hardware, rated weight 50 Lbs., maximum support ceiling height 12 feet . Optional Lat and Press-Down Bars and our exclusive Windows Desktop rep counting and tracking App with Bluetooth/USB Weight-Rep Transducer. Uses standard weights (not included) with 1-1/8" center hole.