Check the listing for details. (4 Rolls) 1/16"D x 1000 ft. White Twisted Polypropylene Mason Twine. Color: White, Condition: New. Listed at 34.77 USD. (4 Rolls) 1/16"D x 1000 ft. White Twisted Polypropylene Mason Twine This product is new in the Master Box of 4 Rolls (Retail was $$10.98 per roll)---Mfg. Information:Twisted Mason Twine is used to quickly and accurately ensure mason is level. It is rot proof, resists oil, gasoline and most chemicals. For contractor, carpenter, mason or home use.100% polypropyleneEliminates the hassle of a levelWhite colorReloadable reel refill (Reel Sold Separately)100% polypropyleneEliminates the hassle of a levelWhite color This product is new in the Master Box of 4 Rolls (Retail was $$10.98 per roll)---Mfg. Information:Twisted Mason Twine is uséd to quickly and accurately ensure mason is level. It is rot proof, resists oil, gasoline and most chemicals. For contractor, carpenter, mason or home use.100% polypropyleneEliminates the hassle of a levelWhite colorReloadable reel refill (Reel Sold Separately)100% polypropyleneEliminates the hassle of a levelWhite coloreBay integration by