Batca Fusion 4 Modular Gym System MODULAR SYSTEM UNITS: FZ-1 Upper Body Unit Dual swiveling high pulleys for iso-lateral lat pulldowns, straight & side ab crunches. Fully enclosed 200 lb. weight stack. Iso-lateral or dependent mulit-press & mid-row exercise stations. Multi-angle Seat provides ideal seat angle for chest press, incline press, and decline press. Optional FZ-2 Cable Arms - User-defined free cable exercises via independent rotating functional arms with single touch adjustment and swiveling pulleys. FZ-3 Lower Body Unit Fully enclosed 200 lb. weight stack. Leg Extension/Seated Curl features 6 starting point adjustments and patented FUP support that allows full muscle contraction. Optional FZ-4 Leg Press/Calf Raise - features a walk through design, centered 4 bar linkage, large footplate and grip handle. FZ-5 Functional Trainer Dual position chin up station which features a wide and neutral grip. Height adjustable swivel pulleys give unlimited free cable exercises. On-board accessories include the long bar, short bar, tricep rope, and ankle strap. Fully enclosed 200 lb. weight stack.