The Stanley 0-47-973 brass plumb bob is crafted from solid brass with a polished-lacquer coating to resist rust and ensure long-term durability. Its elongated, tapered profile is machined for accuracy, and it includes a screw-top nut and through-hole to secure string centrally?eliminating tilt and improving precision. The hardened steel tip is replaceable and comes with an extra replacement, prolonging the tool?s lifespan. Lightweight yet robust at 225 g, it?s well-suited for professional and home applications, including framing, plumbing, survey layout, and masonry alignment. Specification Model : 0-47-973 (47-973) Type : Brass Plumb Bob Weight : 8 oz / 225 g Material : Solid brass, polished-lacquered Tip : Hardened steel, replaceable; includes extra tip Attachment : Screw-top with through-hole for secure string fastening Design : Long, full-taper precision body Length : Approx. 8.7 in (220 mm) Ideal For : Vertical alignment, surveying, framing, plumbing, construction layout