Our new 100' extra bold large capacity chalk reel provides you with the most durable and best performing large capacity chalk line reel. The planetary gear system provides you with the longest gear life in chalk reels. For added productivity, our chalk line tool features a fast retraction ratio of 4:1 allowing you to quickly mark multiple lines. The chalk string marks with an extra bold line giving you maximum visibility. A 18 oz capacity allows you to mark more lines between refills while an extra-large quick turn opening makes those refills easy.