One machine can meet your various needs. M4 is designed for trainers. It is combined with power cage, smith machine, cable crossover machine, cable station, and pull-up station. Let you could do unlimited exercises in a limited space! Pre-reserved holes for resistant band, you can do more weight training and resistance exercise. Such as resistance (pull-ups, barbell squats, shoulder presses, cable chest fly, etc.)Made of 50mm x 50mm commercial steel tube. The 12 connecting triangle pieces provide extra stability and stronger construction. Dimension:87.2 inch(H) x 71 inch(L) x 48 inch(W). The max capacity of the whole machine is up to 2200lbs, feel free to enjoy your training experience with this big guy!