Designed to handle tough applications at the lowest price, Commercial Rail carries a high load capacity and comes in steel, stainless steel and self-lubricating polymer roller options for a wide variety of applications. With sealed rollers and precision machined hard anodized carriage bodies, this linear guide system is corrosion resistant and can function in extremely dirty environments. Optional polymer coated rollers provide super quiet operation while lubed-for-life sealed rollers offer years of dependable maintenance free linear motion. LaZer Straight™ bolt on rails are simple to install, ensuring quick and easy installation. Whatever the surroundings, Commercial Rail is built to withstand the application.