• Carpenter pencil refill set ideal for construction, decoration, automotive, and welding work • Suitable for marking on metal, glass, jewelry, and wood • The set contains 3 red refills, 3 yellow refills, and 6 black refills, as well as 2 storage boxes for better organization • The 2.8 mm diameter provides precision and practicality in marking, adapting to different needs • The red and yellow refills are made of water-soluble wax, allowing easy cleaning with a damp cloth and leaving a clean finish • The black refills are made of graphite, offering stability and reliability for drawing and marking tasks • Durable and solid tool, designed to facilitate work in carpentry and mechanical construction projects