Domed Nut - Windscreen Mirror - Various BMC

Suits:
Windscreen - MGB (1962-80)
Mirrors & Fittings - Sprite I-III & Midget I-II (1958-67)
Windscreen - Sprite IV & Midget III-1500 (1966-79)
Windscreen - Sprite III & Midget II (1964-67)