Slick, I think, Aircraft Magneto. Not familiar with all makes and models this fits. 

Please verify pictures to match your application.

Magneto was sitting on the shelf for a long time, I have no way to test unit,

Selling As-Is Unknown working condition. See pics for condition. May work Fine or maybe good for parts.

If you can tell, please let me know, thanks, sorry no part #, no gear, or coupler.

Please See Pics, From a Smoke and Cat Free Home,

See if there is something you might Like. Most offers Welcomed.

In Extra Packing 0124-4