7 pair HEEL & TOE PLATES   METAL or POLYURETHANE  4 sizes....small,  medium, large and extra large.  NAILS & TACKS ARE INCLUDED. THE POLYURETANE (sometimes called nylon) are self adhesive, long wearing and silent.   the metal plates are most often used on work boots & motorcycle boots (check out our thorlo motorcycle socks and glues ). we are a shoe store & shoe repair     specializing in comfort and difficult sizes. SIZE SMALL = 1 1/4 inches,    SIZE MEDIUM = 1 3/4 inches, SIZE LARGE = 2 inches, SIZE EXTRA LARGE = 2 1/4 inches. mixing sizes is never a problem. you can make special request when you pay.