Stanley 47973 is 8 oz. Brass Plumb Bob. It has a replaceable hardened steel tip. The screw top simplifies attaching string to the center of the plumb bob. Through hole ensures easy tightening.
Polished-Lacquer, Solid-Brass Construction Is Durable And Rust Resistant
8 Oz. Brass Plumb Bob - 47973
For use in Framing, Deck Building, Plumbing, Transit Location, and Construction Applications