Twisted Mason Twine is used to quickly and accurately ensure mason is level. It is rot proof, resists oil, gasoline and most chemicals. For contractor, carpenter, mason or home use. Highlights: Twisted Mason Twine ensures quick and accurate leveling for masonry work. Rot proof and resistant to oil, gasoline, and most chemicals for long-lasting durability. Suitable for use by contractors, carpenters, masons, or for home projects. Precision and Compatibility: Designed for precise fit and compatibility with a wide range of hand tools, ensuring smooth and efficient operation. Durable and Reliable: Crafted from high-quality materials for long-lasting durability and reliable performance, even under heavy use. Specifications: Dimensions (Overall): 9.9 inches (H) x 4.6 inches (W) x 1.6 inches (D) Weight: .43 pounds