vintage black ivory miles km counter NOS

Vintage black ivory miles Kilometer counter gauge in new old stock (nos) condition. The size is about 4,5 x 3 cm and on the rear side is a sticker. A made in Germany must have for classic cars without fuel gauge or with imprecise gas gauge. After the tank is filled with fuel, you just roll the wheels on the counter to match with the speedometer mileage. Made in Germany.