Fits Class 91 (HSS208 & HSS285), Class 37 (HSS210 & HSS263),
Class 47 (HSS210 & HSS252), Class 58 (HSS219), APT,
Class 86 (HSS232 & HSS271), Class 9f (HSS235), Class 35 (HSS272),
Western Class 52 (HSS240).