Stanley Hand Tools 47-973 Brass Plumb Bob: * For use in framing, deck building, plumbing, transit location and construction applications * Screw top to easily attach string to center of plumb * Polished lacquered solid brass construction resists rust * Long slender profile for easy storage * Replaceable, hardened, steel tip for longer life * Additional tip included * Through hole for easy tightening * Brass * 8 oz * Carded