The Multipla machine works with a free weights setup and can help you use many barbells and other kinds of heavy weights. It has an iron frame, steel guide rails and a bench that can be adjusted into many positions. It also works well with an adapter that makes it easy for the user to set up leg extension exercises. The Multipower system also has two safety materials for barbell use so you can work out with ease. The self-lubricating rails are coated in materials that make it easy for the surface to glide right. There are also hand grips that work with an anti-slip material plus a safety stop on the limit switch to keep a workout as safe as possible.