Genuine ROHN AS25G Single Accessory Shelf FOR MOUNTING MANY POPULAR ROTORS, BEACON LIGHTING, OR OTHER ATTACHMENTS ON YOUR ROHN 25G TOWER BOLTS TO THE 3 SIDE RAILS OF THE TOWER TOP SECTION COMES COMPLETE WITH 3 U-BOLTS PRE-DRILLED TO FIT MANY POPULAR PLATE-MOUNTED ROTORS FIELD DRILLING MAY BE NECESSARY FOR YOUR PARTICULAR MODEL/ATTACHMENT THIS SHELF IS NOT BUILT FOR MOUNTING THRUST BEARINGS FINISH ON ITEMS WILL VARY DUE TO GALVANIZATION PROCESS. NOTICE THE DIFFERENCE IN APPEARANCE BETWEEN THE 2 PICTURES.