Measuring and layout chalk lines are essential tools for any construction or DIY project, ensuring precise and accurate markings on surfaces. These versatile lines are designed to leave vibrant, long-lasting chalk markings that are easily visible, even in low-light conditions. Whether you're working on drywall, concrete, or wood, these chalk lines allow you to snap clean, straight lines for framing, tiling, or any other layout task. Constructed with durable materials and a reliable chalk reservoir, they provide consistent chalk delivery for extended use. With adjustable line tensioners and sturdy cases, these chalk lines are built to withstand the rigors of jobsite conditions. Elevate your precision and efficiency with these indispensable measuring and layout chalk lines. Chalk line has 1.5mm string and 100-Foot bold cord. Lightweight firm grip ABS body adds durability and protects against jobsite wear and tear. 1.5 mm braided poly/cotton blend line produces clean and accurate snaps for the precise layout results. Chalk line has heavy-duty metal crank handle. Compact and Portable: Lightweight and compact design, making it convenient to carry and store.