Our Gun Metal Finish is for Carbon Steel only. Perfect for a golfer looking for a classic mini-makeover of their original putter. Gun Metal Finish includes removal of minor dents and scratches, stripping of previous finishes, if needed, and color fills up to four colors. This classic Gun Metal Finish is recommended for the golfer who wants to restore their Carbon Steel putter without any final finish. This putter will require maintenance to avoid rusting similar to the oil can finish. Keep it dry and well oiled to prevent rusting.