StraitLine Chalk Refill Permanent

The StraitLine Chalk Refill Permanent in Red is specifically formulated for outdoor permanent applications, delivering exceptional durability with lines that remain visible for up to 2 months. This red chalk is the ideal choice for long-term marking requirements on construction sites, outdoor installations, and projects where layout lines need to withstand weather exposure and site traffic. The vibrant red colour provides outstanding visibility on a wide range of surfaces, including concrete, asphalt, timber, and masonry. This permanent formulation ensures your marking line