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Fits UL Flathead 1937-1948, Panhead 1941-1965, Shovelhead 1966-1984, 45CI Solo & Servicar 1929-1973, K models 1952-19556 and Sportster 1957-1985, Cylinder base nut wrench, 9/16" on both ends, V-Twin Mfg. (OEM 12650-29, 94589-29)
Installation and removal of cylinder base nuts can be a pain when you try this with standard inch size tools. These special shaped wrenches are replicas from the OEM special tools and a professional solution for the problem.