[Wide Application]: Braided Line #18 Nylon Line is a heavy duty medium stretch line, this thick line is made of nylon. It can be applied in a variety of outdoor and indoor applications including gardening, marking and DIY projects, fishing, boating, masonry, crafts, and more. The braided design allows this marking cord to hold up in the toughest conditions [High Strength and Durability]: Made of high strength nylon yarn, the nylon string line is stronger than polypropylene twine. Braided line has excellent durability, holds up to trowel strikes, without knotting & kinking Down the stretch. The diameter spindle of our Line String is 0.06in(1.52mm) with an approximate tensile strength of 160LBS, and twisted nylon rope unravel after being cut, braided string level 't unravel when been tied knots or cut [Precision Measurement]: Equipped with 10 built in levels to help professionals quickly and accurately the levelness of every brick or block, providing precise support for construction projects. This string level line kit is an essential tool on construction sites [Easy to use]: Ideal for use with string line level or for any commercial twine heavy duty outdoor projects. Use as plumb line, or with surveyors plumb bob with string, or with a masonry line holder. Otherwise, our line is designed with a handle, which makes it easy to hold and use, and you can also easily reload the spool at any time [Bright colors]: Each braided masonry line roll is fluorescent and easy to see. Perfect outdoor string for use as landscape twine, property line markers, construction twine, or marker string. This orange string is perfect for use in the garden. Use it as tomato twine string to tie up tomato plants, or for wick watering African violets, or general landscaping twine Color: Material: nylon Package Contents: 2 x -Line 10 x levels Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.