Row-L-ER chain is the equivalent to standard American roller link chain. The advantages of this series include positive drive between chain and tooth, negligible stretch, long life and the ability to operate in a variety of hostile environments such as high temperature, high moisture, dust, dirt and corrosive environments. Row-L-ER is available in Delrin and Nylatron (no lubrication required) as well as mild steel and stainless steel (must be lubricated).