Use this W. Rose™ 7/8" x 1" Concave Jointer tool to make protruding beaded masonry joints. Creates a consistent convex joint every time for a watertight seal popular in historical restoration. Each end makes a difference size joint for versatility. One end makes a 7/8" joint, then flip it around for a 1" joint. Made from formed high quality steel for durability. The jointer is then sent through a unique heat-tempering process for hardness and long wear. The steel is then polished for a smooth, perfect joint every time. The shape of the tool provides knuckle clearance as you move along the joints. The overall length of the tool is 10-1/2" long. 
 
Strong carbon steel blade
Heat tempered for hardness
Hand polished for a perfect joint
Creates a convex, beaded joint
Forms 7/8 In. and 1 In. joints with one tool
Creates a water tight seal in mortar
Designed for knuckle clearance
Popular in historical restoration
Overall length 10-1/2 In.