The JFIT. Slim Power Rack Deluxe has a 3 weight machines in a single unit. thisSlim Power Rack Deluxe can give you a full body workout with the Smith machine and a pulley system. A good features about this power rack it has safety Olympic bar catcher and smooth adjustable Smith bar shaft to keep you inline. You can perform lat pulldown and pullover to work on your back because of the Power rack pulley system and also bicep cable curls.