This Anvil 57478 mason's line is the perfect tool for those in the construction or masonry industry. Measuring 1000 feet in length, it is made of durable white twisted nylon. The brand Anvil is known for its high quality products, and this mason's line is no exception. It is new and sealed, ready for immediate use. The unit type for this mason's line is feet and the unit quantity is one. The model number is 57478. This product falls under the categories of Other Sporting Goods and Sporting Goods. Buy with confidence knowing that you are getting a top-notch product from a trusted brand.