Elgin's Broom badger and Odra's MT4H / MS5h Street sweepers! Remove the OEM hinged system and install directly onto the bottom elevator wear plate bolts (existing bolt pattern used). You will reuse the one backing strip with the 7 holes in it (as seen in picture). No drilling required. Comes with mounting hardware 7 @ 1 1/4" x 1/4"socket screw 7 @ 1/4" nylon lock nut 7 @ 1/4" flat washer