Plastic Construction: The sturdy long tip marker body is built to withstand daily use in workshops, construction sites, and DIY environments. Waterproof & Quick-Dry Ink: The permanent markers feature a fast-drying, oil-based formula that resists smudging and moisture, ensuring your markings stay clear and legible. Extended Long Nib Design: The long nib marker tip reaches into deeps holes and recessed areas, allowing you to make precise marks in spaces that standard markers cannot access. Multi-Pack for Project Needs: This set of five construction markers ensures you have a spare when needed and allows for systematic color-coding on complex job sites. Integrated Measuring Scale: Each deeps reach marker has a built-in ruler along the barrel, providing quick measurement capability right in your hand for increased on-site efficiency., Weight: 0.110231131 pounds, Manufacturer: Uanqfegy_E74_5627014