The Edding 850 Permanent Marker is the go-to tool for large-scale marking jobs on construction sites. Its extra broad chisel nib delivers bold, clear lines, making it perfect for labelling large storage boxes, marking wooden beams, or identifying metal pipes from a distance. Designed for tough environments, this markers long-lasting, wear-resistant ink adheres to various surfaces, including plastic, wood, metal, glass, and cardboard. The sturdy aluminium barrel ensures durability, while the waterproof, quick-drying ink resists smudging and fading, providing reliable markings that withstand the rigors of construction work.