Check the listing for details. Goldblatt Braided Nylon Mason Line 250 FT #18 Chalk Line String Line Nylon Twine. Color: Yellow, Condition: New. Listed at 19.99 USD. Premium Material - Made of high-strength virgin nylon yarn, stronger than polypropylene thread, reliable and flexible, resistant to moisture, oil, corrosion, and weather conditions, providing you with long-lasting service time. Durability - Braided mason's line has excellent durability, can withstand the hit of a trowel, will not tangle and kink stretch, and its durability makes it easy to use. The tight, consistent weave of the string will make for a premium, easy-to-use cord. Remember, the tighter the braid, the stronger the strands. Nice Visibility -The fluorescent dyes we use on this twine offer excellent visibility and are ideal for any application that requires high visibility, won't fade easily and will quickly grab attention. High Strength - Mason Line String with an approximate tensile strength of 130LBS, Nylon fibers are braided to create a mid-stretch line that can hold loads of up to 130LBS. Choose between pre-cut lengths of 250 feet, 500 feet, or 1500 feet. Multiple Applications - Nylon Mason Line for Outdoors activities & Home use such as used every day by the professional brick mason, can give you a straight line for accuracy when laying bricks or blocks. Used for gardening to make climbing strings. Hanging picture frames, and bundling loose items for storage. Manufacturer ‎‎Hang Zhou Great Star Industrial Co.,LTD Part Number ‎11239 Item Weight ‎5.3 ounces Package Dimensions ‎6.57 x 2.05 x 2.01 inches Country of Origin ‎China Item model number ‎G11239AB Size ‎250FT Color ‎Fluorescent Orange