Modified and improved design M30 crankcase gland nut. 3 piece construction comprising alloy main body, plastic compression screw and rubber gland seal. NOTE, the hexagon size has been reduced by a couple of millimeters and the 'corners' rounded off so that the rubber cap (#060946060) does not tear or get damaged while fitting. Also incorporates a rubber O ring on the underside to promote better sealing ability. Replaces Ducati original #075549013. Weighs 41gm.To fit all late model widecase Ducati singles. Made in England for Widecase.com.