Marshalltown wood line blocks make it easy to maintain a straight line when laying brick and block. Made from smooth poplar hardwood, these lightweight blocks attach to corners so you can run a mason line along the course for accurate, level work.

• Size: 3-3/4 in.
• Made from smooth poplar hardwood
• Sold as a pair (2 blocks per set)
• Designed to hold mason line tight against corner blocks
• Essential for keeping brick and block courses straight and level
• Made in the USA with global materials