Hella 91ES5J 12V Flasher Unit 2x21W NOS

12 Volt Hella Flasher # 91ES5J in new old stock (nos) condition. The relay comes with date 1971 instructions and box. The diameter is 4 cm and the lengths 6 cm. The relay is stamped with "Hella, Made in Germany, 91ES5J, 2x21W, 12V". The box is for the same relay "91ES5J" but with "2x18W". Made in Germany.