3/8" Plexiglass Jointer

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 3/8" 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.

• Creates a concave joint
• Creates the most popular joint in the U.S.
• Strong plexiglass construction
• Will not discolor, mar, or burnish the surface
• Forms 3/8 In. joint
• Creates a moisture-resistant rodded
• Designed for knuckle clearance
• Popular with glass blocks and white mortar
• Overall length 11-1/4 In.