Made from Co-Polymer Delrin to keep your expensive AN fittings pristine.
Fitting on your standard SAE wrenches there is no need to have to keep another set of wrenches.

The kit includes 6 Inserts:
-AN-3
-AN-4
-AN-6
-3/4"(for the other side of a AN-6 line)
-AN-8
-AN-10