The Fein Outer Flange is for use with Fein WSG 80115, WSG 8-125, WSG 11-125, WSG 11-150, WSG 12-125 P, WSG 17-125 P, WSG 17-125 PS, WSG 17-150 P, WSG 17-70 Inox, WSG 17-125 PR, WSG 17-125 PRT, WSG 17-150 PR, WSG 17-150 PRT, WSG 17-70 Inox R, and WSG 17-70 Inox RT.