Irwin Strait-Line 64901 Standard Marking Chalk 8 Oz Blue Refill Bottle

Red permanent staining chalk in 8 oz bottle marks layout lines that resist weather and foot traffic. Outdoor concrete, roofing, and exterior layout work calls for staining chalk where marks must...

Strait-Line 65201 standard marking chalk in a 2.5 lb bottle, formulated in blue for permanent line visibility on lumber, masonry, and concrete. Refill bottle works with standard chalk reels for...

Strait-Line Standard Marking Chalk, 5 lb, Bottle, Blue

Strait-Line 65202 standard chalk refill in a 2.5 lb bottle, red color formulated for permanent marks on rough lumber, concrete, and steel. Pairs with standard chalk reels for layout work, framing,...

White marking chalk in 5 lb bulk bottle lays down clean lines on dark roofing, asphalt, and substrate where colored chalk reads poorly. Standard formula removes with weather and traffic. Roofers,...