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The STANLEY WORKS TOOLS 47974 is a 16-ounce plumb bob designed for establishing true vertical reference lines on job sites. Cast in one piece for structural integrity, it features a nickel-plated replaceable tip that withstands repeated contact with hard surfaces. A threaded cap at the top permits secure cord attachment, keeping the bob stable during use. This tool is used by plumbers, electricians, carpenters, and general contractors whenever a reliable plumb reference is needed for layout, alignment, or installation work.
The 47974 is suited for residential and commercial construction tasks including wall framing layout, pipe drop alignment, electrical panel positioning, and foundation marking. Its one-piece cast body resists deformation under working conditions, and the replaceable tip design means the tool remains serviceable after the tip wears from contact with concrete, masonry, or other abrasive surfaces. The unit ships individually carded for retail or jobsite distribution.
Designed as a standard 16-ounce plumb bob for general trade and construction layout applications. Compatible with standard plumb bob cord and string line accessories.
Plumb bobs are hand tools that require no power source or mechanical installation. Attach a suitable cord or string line securely through the cap before use. Allow the bob to hang freely and come to rest before marking the plumb point below. Keep the hanging area clear of air movement that could cause the bob to swing and produce an inaccurate reading.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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