Designed for professionals who demand precision, visibility, and reliability, the Crescent Lufkin CB25B Blue Chalk Refill delivers consistent, high-quality marking performance for a wide range of construction and layout applications. With a contractor-grade 2.5-pound capacity and a smart, job site–ready bottle design, this refill is the perfect companion for any chalk reel.

Key Features:

• Permanent Marking Formula
  The CB25B features a durable blue chalk compound that creates long-lasting, high-contrast lines ideal for layout work on wood, concrete, drywall, and other common building materials.

• Contractor-Grade Volume
  With 2.5 lbs of chalk, this bottle is built for extended use, reducing the need for frequent refills and keeping your workflow efficient on large-scale projects.

• Anti-Roll Bottle Geometry
  The uniquely shaped bottle is designed to stay put on sloped or uneven surfaces, preventing spills and improving safety on the job site.

• Fast, Mess-Free Refills
  The wide-mouth, easy-fill top allows chalk to flow quickly and cleanly into your chalk reel, minimizing downtime and cleanup.

• Universal Compatibility
  Works seamlessly with all Crescent Lufkin chalk reels and is compatible with most standard chalk line tools used by professionals.

• Durable Packaging
  The rugged plastic bottle is built to withstand tough job site conditions and is easy to store, transport, and reuse.

Specifications:

• Product Name: CB25B Blue Chalk Refill
• Chalk Color: Blue
• Volume: 2.5 lbs
• Bottle Dimensions: 9.9 in (L) × 6.8 in (W) × 2.9 in (H)
• Weight: 2.75 lbs
• Material: Fine chalk powder
• Warranty: None (consumable item)
• Manufacturer: Apex Tool Group

Ideal For:

• Framing and layout work
• Roofing and siding
• Concrete and masonry marking
• General construction and remodeling