Peters Spares PS41 Replacement Lima L1-1504-00 Traction Tyres (Small Size) (Pk10) OO/HO Gauge We Have Found That These Fit Both The 10mm Diameter Wheels For DMU (All DMU Class's) / GWR Railcar / Class 43 HST 125 / Class 55 Deltic / Class 50 Hoover / Class 73 etc Supplied As Flat 'Washers', They Are Fitted To The Wheel And Then Folded Or 'Flipped' Flat Into The Groove Just Like The Originals.