Tru Guard Mason Line Twine is ideal for staking out construction sites for concrete, brick, block or landscaping layouts. This light duty twisted twine has good strength and moderate stretch characteristics and has also found its way into a number of other uses that typically revolve around bundling items together or using the brightly colored versions for craft projects. Size: #15 x 350' Color: Gold Safety Work Load: 11 lbs Ideal for staking out construction sites for concrete, brick, block or landscaping layouts Has good strength and moderate stretch characteristics and has also found its way into a number of other uses that typically revolve around bundling items together Tube.