Frequently Asked Questions
The Irwin 66404 Black Marking Lumber Crayons are designed for use on oily, slick, wet, cold, or dry surfaces, making them versatile for various applications.
Yes, the Irwin 66404 crayons are non-toxic, ensuring safety for users, including those working in environments where contact with materials may occur.
These marking crayons are ideal for marking on lumber, concrete, ceramics, and metal surfaces.
To ensure optimal performance, use the crayons on clean surfaces and apply them with moderate pressure for clear, visible marks.
Yes, the markings made by the Irwin 66404 crayons are waterproof, making them durable in outdoor and wet conditions.
Each crayon in the 12 Pack is 4-1/2 inches long, providing a comfortable grip and ease of use.
Yes, these crayons are specifically designed for use in cold weather, maintaining their functionality even in low temperatures.
Each pack contains 12 Irwin 66404 Black Marking Lumber Crayons.
The main benefit is their ability to produce clear, durable markings on a variety of surfaces, even in challenging conditions such as wet or cold environments.
Yes, these crayons are made with a robust formulation that allows them to withstand tough working conditions and provide reliable performance.
