Automatic woodworking marker set (pen + refill)

EXTENDED DESIGN: These deep hole markers are perfect for marking deep holes, tight spaces, and recessed corners. DURABLE AND VERSATILE PERFORMANCE: Ideal for a variety of surfaces, including metal, wood, glass, and plastic, these waterproof deep hole markers feature a fast-drying, smudge-resistant formula to ensure your marks remain visible in all conditions. MULTIPLE APPLICATIONS: Suitable for a range of applications, including home improvement, hardware manufacturing, and automotive manufacturing, these deep hole markers are an indispensable tool for anyone working on a construction, manufacturing, or DIY project. Durable and wear-resistant. Slim, round tip design for convenient use; the permanent ink is waterproof, smudge-resistant, and dries quickly. Sturdy and reliable with a long lifespan; the pen body is long, and the tip is fine and round, making it easy to use.