12V Hella Twin fog lights lamps relay 1971 NOS

12 Volt Hella Twin relay from 1971 in new old stock (nos) condition. The relay comes with box, old invoice and 1971 printed instruction. The part number is Hella 9118-4 in 12V (4RA 001 849-01). The instruction recommends that “main headlamps, fog lamps, driving lamps, electric twin-tone horns and headlamp flashers should always be connected with a relay”. The top of the relay measures 7 x 5 cm. Made in Germany.