4449GD

Adds in one direction. Subtracts in the opposite direction. 2 rev. = 1 metre.
For wheels circumference 500mm.
Max speed 500 metre per min.
Quick zero-setting by means of lever movable on both sides.
Counts up to 9,999.9 metres.
Shaft diameter 8mm.
Body in die-cast aluminium, sturdy construction.
Digit number 6. Digit height 7mm. Dimensions 130x67x53mm.

Without wheel.