Stroke counter with 5 digits for machines

Stroke counter with 5 digits for machines, it adds in 1 direction, each stroke it's a number, max strokes number about 500 per minute, lever travel min 38°- max 60°, the lever returns automatically to the staring point, you can move the lever from any shaft position, you can zero at once by a knurled button. Number of digits 5, digit height 4.5 mm, base dimensions 29x60 mm.