Brand Name: Marshalltown *Case Material: *Fill Weight: *Hook: *Line Length: 250 *Line Material: #18 Nylon *Line Type: *Product Type: Mason's Line *Style: Braided *Sub Brand: *Chalk Color: *Chalk Type: *Gear Ratio: *Line Color: Fluorescent Yellow *Usage: Staking out sites, concrete and landscape layout and brick/block laying Core Diameter: 6 in. *Will not mildew *Will not unravel if struck by a trowel