... braided line. Special braiding process aids elasticity and eliminates sagging. Solid bright colors make it easy to see and use on job ... holds knots well• For chalk and mason line• Holds up well to repetitive use• More durable than natural fiber twine • ... to rot, abrasion, mildew nylon line• Use to mark brick, block, concrete and landscaping layouts • Use in masonry, construction, gardening, bundling ...