The Crescent Lufkin line of chalk products offers professional tradespersons the ultimate in quality and innovation. From our 100' professional reels to our 50' compact reel to our 150' site reel, every product is designed and engineered to provide superior performance with features that make it both easy to use and exceptionally dependable. Add to that our new offering of high visibility hard mark blue chalk and you have an unbeatable chalk and reel performance combination. Features Permanent marking chalk for use with chalk reels Unique bottle geometry prevents the bottle from rolling on sloped surfaces Easy fill bottle top design allows chalk to flow faster for quick refills