Vintage K-Germany 4-position switch

Vintage K-Germany 4-position switch in used condition. The switch is not tested, the total diameter is 5,0 cm, the switch needs an 2,5 cm mount hole in the dashboard. The top is marked with “0 1 2 3” and the rear is marked with “K / 51 / 58 / 57 / 56a / 56b / 30”. The switch has the functions 0, 1, 2, 3 and it was made in Germany by “K”.