DIAMOND PATTERN BAR REINFORCED SQUARE LINK. WITH HEAVY DUTY ADJUSTERS/TIGHTENERS INCLUDED. Some chains may have surface rust from storage. THESE CHAINS WERE MADE IN FINLAND. ++THESE CHAINS ARE SIZED TO FIT 12-16.5 POWER KING TIRES THAT ARE 33 TALL++IF YOUR TIRES MEASURE DIFFERENT YOU MAY NEED TO ADJUST THEM TO FIT CORRECTLY ++. I can CUSTOM build chains for most size tires if you can tell me the tire size, tread width of your tire, and the height. PLEASE MESSAGE ME WITH ANY QUESTION YOU HAVE ABOUT SIZING.