The perfect tool for white mortar to ensure a non-marred surface. Use this tool to make round, sunken, moisture-resistant rodded joints. This concave joint is the most popular masonry joint in the United States. Each end makes a 5/8″ joint. Made from plexiglass and will not discolor or leave black marks on material. The shape of the tool provides knuckle clearance as you form joints. A popular tool used with glass blocks. The overall length of the tool is 11-1/4″ long.







