The 65 lb Dry Line Chalk Marker is a high visibility marking solution designed for professional construction, landscaping, and surveying applications. Formulated to produce bold, crisp lines, this chalk delivers excellent contrast on a wide range of surfaces while remaining easy to clean when the job is done. Engineered for use in dry line marking tools, the 65 lb weight ensures smooth, consistent flow through the reel for reliable performance on long or repetitive layout jobs.