If you have the older wrought iron or aluminum square railings, you have just found the answer to hanging your bird feeders, lanterns and more. The Shephard Grabbee allows you to hang bird feeders, decorative mobiles, wind chimes, night lanterns and other items to a standard aluminum and wrought iron square rails. The shepherd hook is 18" long and extends 8" from the railing. Fits standard aluminum and wrought iron square railings (3/4" and under). Holds up to 8 lbs. No tools needed. Just unscrew the cap, place the Grabbee on the rail, and hand tighten the cap to the Grabbee. Then mount the Shepherd Hook. It is so easy.