The VTG Large "Bell-Shaped" Millwright Brass Plumb Bob is a vintage collectible tool used for carpentry and woodworking tasks. Its unique bell-shaped design and removable point make it a versatile and durable option for measuring and transferring vertical alignments. With a weight of 3 pounds, this plumb bob is sturdy and reliable for various building and construction projects. Overall, this classic piece of hardware is both practical and aesthetically pleasing for any tool enthusiast or collector.