Modestone Metal Onyx-Like Stone Pair Heel Caps/Guards O/S Silver Designed for Cowboy Boots pair metal Heel Caps/Guards. Features Onyx-like stone design in silver color. Western style filigree accents. Comes included with installation screw nails. Buy a matching set of Modestone Toe Caps/Tips to go with your heel caps. We also carry a fine selection of Modestone quality belts, buckles, cowboy hats & embroidered western shirts to round out your Western outfit.