Nylon Mason Line Our #18 nylon mason line has built-in elasticity, so it maintains tension and eliminates sagging. Abrasion- and alkali-resistant, the four solid bright colors of our nylon mason line make it easy to see, so you can create perfectly level masonry work. Braided line tested up to 120 lb. Twisted line tested up to 90 lb. In Yellow SKU: 3747360 Category: Brick Line
