Irwin Hanson 65201 Strait-Line Standard Marking Chalk 2.5 lb Blue

The Irwin Hanson 65201 Strait-Line Standard Marking Chalk is a professional-grade marking solution designed for construction, carpentry, and general layout work. This 2.5-pound container of bright blue chalk provides long-lasting, highly visible lines on a variety of surfaces including wood, concrete, drywall, and metal.

Key Features:

• Bright blue pigment for excellent visibility on most surfaces
• Fine-ground chalk formula flows smoothly through chalk line reels
• Weather-resistant formulation for both indoor and outdoor applications
• 2.5-pound capacity provides hundreds of line strikes per container
• Compatible with all standard chalk line tools and reels
• Temporary marking that can be cleaned or washed away

This standard marking chalk is ideal for contractors, carpenters, drywall installers, and DIY enthusiasts who need reliable, visible layout lines. The fine consistency prevents clogging in chalk boxes and ensures consistent line quality throughout the job.