[Semipro]

Hello and welcome to the router forums
There are companies in the USA that sell Jessem parts. Rockler tools is one that does
Check amazon they sell all kinds Jessem product’s

 

[Semipro]

I check Jessem site they show one $9.99 plus shipping $15.00
Here the site

1-3/8" Insert Ring (for Template Guide Bushing)

Description 1-3/8" Insert Ring (With counter bored hole for use with standard template guide bushings and the RTJ400 Router Table Dovetail Jig) WARNING - Cancer and reproductive harm. For more information please click: JessEm Prop65 Warnings or Check our other products

jessem.com

FOLLOW THE LINK YOU CAN get IN USA DELIVERED FOR ABOUT $25.00