Straitline Crayons Black x 2 666042

The Straitline Crayons Black x 2 are professional marking crayons designed for challenging work surfaces where standard markers fail. These waterproof, non-toxic crayons deliver reliable marking performance on oily, slick, wet, cold or dry surfaces, making them essential for site work in all weather conditions. Ideal for use across multiple trade applications, these black marking crayons work effectively on timber, concrete, ceramics and metal surfaces. Their versatile formulation ensures consis