Stair railings make a big impact to the look of your home. Styles change over time and replacing your whole railing can be a bid deal. A cost effective way to change the look of your railing is to replace just the balusters. If you have metal balusters the process is fast and you have many different styles to choose from. Metal balusters come in black, gray, bronze and silver vein colors. Just changing the color of your balusters makes a nice change. New styles of balusters are being created that can give your railing a contemporary look.