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The RICHELIEU AMERICA LTD. 642351 is a twisted nylon mason line designed for layout and alignment work on construction and masonry jobsites. Packaged in a tube dispenser, this 260-foot spool of neon yellow line carries an 8-pound safety work load rating. The high-visibility neon yellow color makes it easy to spot across a work area, helping tradespeople maintain accurate reference lines during block laying, footing layout, framing, and general site work. Twisted nylon construction resists abrasion and holds a taut line under normal field tension without excessive stretch.
This mason line is suited for residential and light commercial construction applications. It is commonly used by masons, carpenters, and general contractors to establish level and plumb reference lines. The tube packaging keeps the line tangle-free and allows controlled payout on the job. At 260 feet per tube, a single package covers most standard residential foundation or wall layout runs without splicing.
Designed as a general-purpose mason line compatible with standard line pins, line blocks, and corner blocks used in masonry and framing layout work.
Mason line is typically deployed by masons, carpenters, and layout crews using line pins or line blocks anchored at reference points. Secure line ends firmly before tensioning to maintain an accurate reference. Do not exceed the stated 8-pound safety work load to avoid line failure or loss of line position. Store unused line in the tube to prevent UV degradation and tangling between uses.
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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