Hinged petrol cap, winged tensioner type, three finger latch - suits Norton, Triumph, Matchless, BSA. Made in UK. A new reproduction hinged, winged petrol cap for 2 7/16" (approx 62mm) openings. Very well made. Suits Norton models 1, 16H, 18, 19, ES2, 7, 77, 13 1946 to 1954-5. The Norton tanks changed during this period but the filler opening is the same. Also suits other makes eg TriumphOriginal Part Numbers:A2/280 - petrol tank filler cap