This fluorescent yellow mason's line from marshalltown combines exceptional visibility with professional grade performance, making it the premium choice for safety critical and precision applications. The high visibility fluorescent yellow colour ensures the line stands out dramatically in all lighting conditions, whilst the 76.2m 250ft length provides extensive coverage for large scale projects. Constructed from twisted nylon that has been heat set after winding, this line offers outstanding stability and resistance to environmental factors. The heat setting process creates a locked twist structure that maintains consistent tension and accuracy, even under demanding site conditions. The fluorescent yellow colour is particularly effective for projects requiring enhanced safety awareness or where multiple lines need to be clearly distinguished. Not affected by mortar, oil or mildew, and will not absorb water, making it equally suited to bricklaying, site layout, concrete work and landscaping applications across all weather conditions. Features and benefits bull fluorescent yellow for superior visibility bull 76.2m 250ft length for comprehensive coverage bull heat set twisted nylon for exceptional stability bull ideal for safety critical applications bull resistant to mortar, oil and mildew bull non water absorbent construction bull made in the u.s.a specifications length m 76.2 length ft 250 colour fluorescent yellow line material nylon