SHIPPING INCLUDED It's a machine for training top level athletes. It simulates the smoothness and safety of the best stack weight machine, yet gives you the feel and training effects of free weights. This combination assures primary and secondary muscle group development for a faster, stronger, more complete workout. Unique Linear Bearing system is constantly recirculating to provide three times the load capacity and twenty-seven times the travel life of ordinary bearings. Features include dual pulleys, counter-balanced weights, fully adjustable Safety Stops and six Olympic weight plate storage posts. Features Linear Bearings Light Commercial Quality Self-Spotting Ship Weight: 400 lbs Warranty: Manufacturer's Lifetime Limited Warranty Plate Type: Olympic Weights sold separately.