Leybold NT 10 minor kit includes coupling element, O-rings and gasket only, components need for a light overhaul. This kit is guaranteed to meet or exceed OEM specifications. Please see below in our Related section for additional accessories that may benefit your vacuum applications and needs. We offer a large variety of vacuum fittings, hoses, vacuum gauges, sensors/transducers and accessories sold separately on this website. Call us for a quote (505) 872-0037. For instruction manuals, please see the Available Download PDF's Below.