The item available here is a USED Dynetic Systems servo motor tach.  It comes as shown in good physical condition.

This item has not been tested, and comes with a 30 day return policy from the date the item was shipped. Postage is not covered.

Here's the specs:

Part No: 509135

with 25:1 ratio reducer

*See pictures for exactly what you will receive*

Items will be paid for immediately and will be shipped using USPS or UPS.