3/8" x 1/2" "S" Jointer. The "S" curve allows you to approach or maintain different pitch angles while jointing the mortar. Long-wearing, ultra hard steel creates a concave joint, the most popular joints in the United States. One end makes a 3/8", flip it around and makes a 1/2" joint. This patented design (U.S. Patent 4,879,780) keeps the user's hand away from bricks. Overall length 9-1/4".
 
Designed to work from different pitch angles
Creates a water tight seal in mortar
Creates a concave joint, the most popular joint in the U.S.
Strong ultra hard steel
Forms 3/8 In. and 1/2 In. joints with one tool
Patented design (U.S. Patent #4,879,780)
Overall length 9-1/4 In.