CR6-3002TG 2:1 Mechanical revolution counter.
6.35mm (1/4") shaft
Top Going
Gear ratio 2:1  (2 shaft revolutions reads 1.0mtr)
Right hand reset.
Specifications
Accuracy +-1%
Measuring Distance 99999.9m
Increments 0.1m
Metal cover
 
Replacement for the old style Trumeter 3002 counter which are now obsolete.