Gearbox outer cover fixing screws for laydown Norton gearbox (set 7) + inspection cover screws (set 2). Suits Norton 1948 to 1956 laydown gearbox on twins and singles. 1/4 BSC Original part numbers: 3622; N8117; A2/309; A11M/822 - Gearbox outer cover fixing screws x 7 D12/647 - Clutch worm inspection cover screws x 2