This hand tool easily bends thinner metal commonly used for armor. Its jaws are divided into ยผ inch segments to make straight or slightly curved curves. There is a depth limit, but you can crease deeper curves with a metal ruler. If you need to replace firmware, this is the tool to use in most situations. If you don't have a metal folding brake, this tool should do the trick. You can get lengths up to 12 inches for straighter folds.