About This Built for the Trade: durable and reliable Bonded Mason's Line designed for masonry and archaeology projects, the mason string line crews rely on day after day Weather Resistant: resistant to damp conditions for long-lasting performance as a braided line in variable jobsite weather Multiple Styles: coming in a variety of styles, the Bonded Line is braided to make it more durable and reliable; the Braided Mason's Line isn't affected by extreme moisture or dryness, and the Twisted Mason Line is head-set after winding to stabilize Sizes to Suit the Job: available in a variety of colors, line sizes, lengths, and core sizes, one of the most versatile masonry string lines on the market Made in USA: Bonded Mason's Line is Made in the USA with Global Materials, a staple piece alongside the rest of your masonry tools and a dependable string line for block, brick, and stone work Overview Material : Nylon Color : Yellow & Black Brand : MARSHALLTOWN Style : Yellow & Black Nylon Item Weight : 8 ounces