Savings available on the Mintcraft 31056 Masonry Line Blocks, Plastic, 4-1/4" at PlumbersStock - the hardware experts.

The blocks are wrapped one pair per package.

Blocks are shrink-wrapped one pair per package. Holds bead or mason line taut in masonry construction, to ensure straight rows of brick or block. Place the Line Blocks to the outside corner of each brick and nylon-stretch string or line mason blocks between them and secure the string into the 'Grooves to provide a guide for laying the next row. Faster and easier than continually checking brick or block wall with one level dimensions – 8" x 9 – 3/4" x 4 – 1/2 "