Stringliner Line Bones, Bag of 2

Set a level line and layout quickly and easily!

Use the Stringliner Line Bone with string lines. This masonry accessory allows you to quickly set a level line and layout CMU block wall courses. Stringliner designed the Line Bone for ease of use. Simply place the tool on top of almost any cement masonry unit and secure it with a taught string line. Sold in bags of 2.