ext. gear 76 hole 30mm thickness 30mm in 27 teeth nylon of (with recessed locking key) for RolandMatic alcohol dampening inkwell chromed roller Manroland offset printing machine R800 (1974 > 1988) formats IV-VIIb 09d2122 T-27 Front Nylon Polymer Gear for Transmission Manroland model R800 44" to 50" also USA Miehle series 44" / 66" sizes 80° shore hardness www.ormoricambi.com