Wiggler Center Finder Set 

Wiggler Center Finder Set
Part Number: 1603
Weight: 0.21 lb

Price: $14.95

In stock
This wiggler center finder set comes with 4 probes for finding centers, edges, and indicating. Each probe snaps into the body without removing the collet nut.

The wiggler shank is 0.375" diameter.

Chris Chris' Tips
How does this gadget work? What are those different attachments for? See How to Use a Wiggler.

Here is how to use a wiggler.