Marking Chalk Refill, Chalk Color Blue, Chalk Permanence Standard, Container Features Tapered Refill Tip with Cap, For Use With Chalk Line Reels, Product Type Marking Chalk, Size 0.5 lb. Applications include interior layout, roofing, siding, and paneling. For interior or exterior use. ProChalk Standard for your basic chalk line needs that are easier to clean up or let wear away naturally.

Performance Ranking: 1