Full name: Lamp medallion - Rotax type – size F badge large size approx 25.6mm diameter, requires approx 22mm hole | Reproduction Rotax type lamp badge/medallion. Chrome plate on brass casting with lugs on rear to peen over and secure medallion in lamp body as original. We stock the following sizes, measured across outside of badge: Very small - 15.7mm Small - 18.3mm Medium - 22.0mm Medium large - 23.0mm Large - 25.6mm | Dimensions: 25.6mm; 22mm | Supplier part no: 516F