Over 60,000 pieces of Pro Series strength equipment have been installed worldwide. Built to last, this complete line offering is engineered with the expertise that has made Life Fitness a global leader in advanced strength equipment. Stainless steel in high-wear areas to eliminate rusting. Thermpolastic rubber grips for extreme durability. Self Lubricating weight stacks with sealed bearings. Five-position adjustable start mechanism caters to individual range of motion or physical limitations Two non-slip foot positions appeal to different user sizes Lumbar pad helps users easily find correct position relative to axis of rotation