The Stanley Chalk Line Refill in Blue delivers high-grade chalk in a versatile colour that's ideal for both interior and exterior marking applications. This all-round blue chalk provides excellent visibility on most surfaces, making it the perfect choice for general construction and carpentry work. Packaged in a practical 113g square bottle, this refill is specifically designed to prevent rolling off work surfaces, keeping your worksite tidy and reducing waste. The innovative twist-to-open spout allows for easy, controlled pouring directly into your chalk line reel without mess or spillage. Blue chalk offers excellent versatility, performing reliably on timber, drywall, masonry, and various other materials. Whether you're marking cut lines, laying out foundations, or snapping reference lines, this blue chalk ensures clear, visible markings that help maintain accuracy throughout your project. Features and Benefits:Blue chalk ideal for all-round interior and exterior useHigh-grade