Vertical carriage system features fibreglass reinforced nylon pulleys and locking, universal attachment connections. Precision-fitted frame components constructed from commercial grade 11-gauge, 2" x 4" oval tubing with an electrostatically applied powder coat finish. Built and guaranteed with Body-Solid quality that will last a lifetime. Vertical carriage system features fiberglass reinforced nylon pulleys and locking, universal attachment connections 11-gauge, 2" x 4" oval tubing with an electrostatically applied powder coat finish 4.8mm diameter spun steel aircraft cables rated to over 2,500 lbs. 19 independent height adjustments and 180º cable positioning Two 160 lb. weight stacks (weight ratio is 1:2) High-density foam rubber handgrips and handles High-density, injected molded end and foot caps Dual position pull-up bar Optional 50lb upgrade 43"Lx 58"W x 84"H