Guide bushings may be the most misunderstood of all router accessories. Their uses include cutting dovetails with a jig, lettering, inlay work, even reproducing furniture parts. Here are the basic concepts.
SPIETH Adjustable Guide Bushings
TD45 Guide Bushing
Get on board with Guide Bushings
Dovetail Jigs
GUIDE BUSHES PART ONE - THE BASICS - Wealden Tool Online Resources
Leigh Guide Bushings
Truck Bushing Guide
Club News - Des Moines Woodworkers Association
Guide Bushings -Plain-, MISUMI
Guide Roller Bushings
Using Guide Buschings - How To Use A Router - LLC
1/4 inch collet triton router
Rockler Guide Bushing Router Plate - Router Plate Features 1-1/4
Vespel® actuator guide bushings