Woodruff Key, for use on BSA models: Bantam: D1, D3, D7, D10, D14 & B175, BSA models: C25, B25, C15, B40, B44, B50, A7, A10, A50 & A65. Triumph models: TR25W, T20 Tiger Cub, Twenty One(3TA), Speed Twin(5TA), T90, Tiger 100(T100), Tiger 110(T110), 6T Thunderbird, 5T Speed Twin,  Trophy TR6R, Trophy TR6C, Daytona T100R, Trophy 500 T100C, Bonnie T120, Bonnie T140V, TR7RV.
O.E.M: 35-1896 / 40-0118 / 41-0560 / 70-1580 / E1580