1/4 inch in diameter guides are 5 inches on center and 12 inches long

Fits most standard sized routers.  Just measure the space between the two spots for the guides.  If it is 5 inches, then this is the guide for you. Universal fit

Fits all my routers including craftsman, bosch, Ryobi, Skil, porter cable, dewalt, ridgid, Milwaukee, Bauer, Hercules, rockler, stanley, Chicago, Black & Decker