Marshalltown 5' x 2 1/4' Plastic Line Blocks: for running a line when laying bricks/blocks bright yellow impervious to water 2 pairs of blocks For running a line when laying bricks or blocks Bright yellow plastic impervious to water Includes four plastic line twigs with 2 pairs of blocks Twigs are used to keep the Mason's line from sagging between blocks 2 pairs

• SKU Plastic Line Blocks Twigs set