JC316 measuring wheels is a recorder of way and length. Especially it is applied on the way of turn up and down. It is a facile tool for measuring and recording.
Also with Brake, model number is JC316A, the brake can easily uninstall if no need.

Specification
1. Max counting capacity: 99999.9
2. Max counting speed: 360RPM
3. Environmental temperature: -15º C-+55º C
4. Precision of measurement: ≥ 99%