Flywheel Key / Tecumseh 611004Pack Size:1Tecumseh 611004Foley/Belsaw 5980189, Green Meadow 02403, Laser 42897, NHC 266-2493, Oregon 02-403, Prime Line 7-01974, Rotary 8953Tecumseh Most electronic ignition enginesWidth: .243 ", Length: .793 ", .145"-.212" tapered HT, Gold key, ,122: key