Most Cooper Stairworks Stair Parts are crafted right here in our manufacturing facility in Somerset, MA. We offer many stock options, or we can custom make a part to your exact specifications. Custom stair parts, including box newels, rail, balusters, fittings, goosenecks, starting steps, treads and risers, are perfect for historical reproductions or for a one-of-a-kind look distinctive to your home. The quality of our stair parts is unmatched.