The gym comes 90% pre-assembled in one box. All of the high impact resistant nylon pulleys and 2200lb tensile strength steel cables have been hung and strung by the factory. No confusing diagrams to follow during this assembly. It’s a simple 9 bolt process. You can be working out in as little as 30 minutes. The compact frame, less than 4-foot-wide and 6½ foot tall let you install this gym anywhere.