Cast Aluminium Handle With Increased Knuckle Room. 
4 interchangeable steel jointer barrels with the following sizes: 1/2", 5/8", 3/4" and 7/8". 
This brick jointer also has the benefit of an ergonomic handle shape and design. 
This Amtech bricklaying tool is supplied with a handy storage pouch, perfect for when not in use.