The GRT 400 is a power rack system, which includes a pull up bar, plate loaded high and low pulley along with bench, squat. The Pull up bar is shaped to allow you to work several different muscle groups, triceps, biceps, chest and shoulders. The plate loaded pulley system allows you to work, lats, bi's, tri's, chest, shoulders. The pulleys allow you to feel only the weight like you're supposed too. The cage station is solid. The rests are adjustable up and down the four main posts of the system. The cross members allow you to spot yourself and can handle a tremendous lateral load. The squats are done completely enclosed inside the cage to ensure your safety. This system is solid top to bottom. Over 200 lbs of free weights & bench included along with interlocking rubber mats! Cage Unit measurements are Length = 4 feet, Height = 7 feet 4 inches, Width = 3 feet 6 inches Cashapp, Venmo, PayPal also accepted!