Hyde Tools 18182 1/2-Inch and 5/8-Inch Joint Sizes On Each End Heavy Duty Steel Brick Jointer 1/2-Inch -5/8-Inch brick jointer For producing smooth concave mortar joints between bricks and concrete blocks One-piece high-carbon steel jointers measure 10-Inches overall Offset design for hand clearance Two polished half round working surfaces with different joint sizes on each end