Fits:

RV aircraft that have a threaded tie down rings with 3/8-16 threads.

Pad has 3/8-16 internal threads and grade 10 set screw threads.

You asked for them and here they are. This jack pad are designed to thread into the wing tie down holes for use with wing jacks. Each pad can be used with an aviation wing jack that is made to accept a jack point or you can use the supplied adapter on homemade wing jacks that are popular with homebuilt owners. Pad is sold individually with a jack adapter.