About this item

• Plumbers Markers: The plumbers’ tool you didn’t know you needed; A thick black marker Ideal for use on most wet surfaces, including pipes, plastic, metal, and copper
• Waterproof: Waterproof, permanent black marker ink ensures a lasting impression in harsh environments; The 1.5 mm bullet tip works similarly to marker pens for writing fine letters
• Long Lasting: The permanent marker black ink adheres quickly and firmly to a multitude of surfaces, ensuring important lines or lettering don’t get swept away or blurred
• Instant Drying: The special industrial marker ink formula is instant-drying, meaning you can mark lines and not worry about blurring or smudging
• About Us: Beginning 100 years ago as ink chemists, we remain dedicated to developing and producing the highest-quality proprietary ink formulas available, making our meticulously designed markers and writing instruments distinct from the competition and immensely popular in 90+ countries worldwide; The difference is the ink