SENQCIA Inspire Series Freedom Series riveted roller chain is manufactured and possess sintered steel oil impregnated bushings that do not require secondary lubrication. This maintenance free chains has a roller to smooth the action over sprockets and is similar in strength and load carrying capacity compared to standard carbon steel roller chains. The chains operate best in ambient temperatures from 15° F – 150° F Packaged chains come with a necessary connecting link to join the ends. Offset links (used to shorten or lengthen a chain strand by 1 pitch) are also available and sold separately. This chain is packaged in a 10ft box.