Irwin, STRAIT-LINE MED BULK PENCIL, MARKING PENCIL; PRIMARY USE WOOD; MEDIUM LEAD DENSITY; ERASER NO; STRAIT-LINE BRAND

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,...

Red permanent staining chalk in 5 lb bulk bottle marks layout lines that withstand weather, traffic, and exposure. Roofing, exterior, and outdoor concrete crews use staining chalk where marks must...

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

Hi-visibility fluorescent orange chalk stands out on dark or shaded surfaces during layout and survey work. 8 oz refill bottle services chalk reels and squeeze applicators. Roofers, framers, and...

Irwin Strait-Line permanent staining marking chalk in 5 lb bottle in jet black. Permanent chalk formulation stains workpiece surfaces for layout marks that resist weather and handling. Used in...