The Stanley 47-440 Chalk Box features a rugged high-impact ABS plastic case built to stand up to job site use. A folding crank handle stores flush into the case, and a sliding door allows easy chalk filling without tools. The stainless steel hook secures firmly to surfaces for accurate, long chalk lines.

• 100 ft. chalk line for marking long distances in a single pull
• High-impact ABS plastic case resists drops and rough handling
• Stainless steel hook with patented on-board hook storage
• Sliding door provides easy chalk refill access without disassembly
• Folding crank handle stores neatly into the case to save space
• High-contrast graduations for easy readability on any surface