Marshalltown Size 18 Braided Nylon Masons Line is an ideal tool for masonry jobs and general construction layout. This line is specifically designed to withstand the impact of a trowel without unraveling, making it highly durable. It is also resistant to extreme moisture and dryness, ensuring its reliability in various weather conditions. Additionally, the Marshalltown braided nylon masons line is not susceptible to mildew, guaranteeing its long-lasting quality. Furthermore, this line is designed to remain taut, providing accurate measurements and precise brick laying. Its vibrant fluorescent yellow color enhances visibility, making it easier to sight the brick laying process and ensure level rows. Overall, this Size 18 braided nylon masons line is a reliable and versatile tool that holds up well against trowel strikes and various environmental factors.