66404 Strait-line Lumber Crayon, Black, 1/2 In Dia

The Irwin 66404 Strait-Line Lumber Crayon is a professional-grade marking tool designed for marking on lumber, concrete, ceramics, metal, and other surfaces on job sites and in workshops. This waterproof crayon delivers permanent, ink-like markings that withstand rain, splashes, and rough handling, making it reliable for construction, framing, flooring, and general project work.

Whether you're working in wet conditions, on oily or slick surfaces, or in cold weather, this crayon performs consistently. The non-toxic, wax-based formula is safe for use in any environment and produces clear, durable marks that won't wash away, ensuring your layout lines and measurements stay visible throughout your project.

Features and Benefits

• Waterproof Formula: Marks survive rain, splashes, and moisture without fading or smudging, ideal for outdoor and wet work environments.
• Permanent Marking: Delivers ink-like performance with marks that last through the job, providing reliable project tracking and layout precision.
• Multi-Surface Compatibility: Works on lumber, concrete, ceramics, metal, rubber, plastic, cardboard, and other materials commonly found on job sites.
• All-Weather Performance: Marks clearly on oily, slick, wet, cold, and dry surfaces, giving you confidence in any condition.
• Durable Construction: Built to survive rough job-site handling and tough compound resists breakage under pressure.
• Non-Toxic: Safe wax-based formula suitable for use anywhere without health concerns.

Specifications

• Brand: Irwin
• Model: 66404
• Product Type: Strait-Line Lumber Crayon
• Color: Black
• Diameter: 1/2 inch
• Length: 4-1/2 inches
• Quantity: 1 crayon
• Formula: Non-toxic, waterproof wax-based

Descriptions are AI-generated. For accurate measurements, please call the store to confirm.