FOUR brand new unused screws used for scuring the motor End-Caps for 'Ringfield' Motors - Wrenn Spares List Part No. 7501. 

 Used for Castle Class locos, 8F Freights, Bulleid West Country models and also for the 08 Diesel Shunter motor end-caps.  

 Very useful to have in reserve or perhaps, this is the screw you have already been looking for to replace the one that is missing?

FREE POSTAGE IN UK