PolyPhaser tower leg ground clamps provide a good ground connection between your copper ground strap and tower legs. Protection against lightning is a must for you, your radio tower, and equipment. PolyPhaser tower leg ground clamps are crafted from 100 percent marine-quality 300 Series stainless steel, with a stainless steel inner metal leaf to buffer the copper from touching your galvanized tower legs. These worm-gear transition clamps are available to fit 5/8 in. up to 5 in. tower leg/ground strap combos. Get grounded faster and easier with PolyPhaser tower leg ground clamps.