This tool is designed for cutting branches flush to the trunk so that the resulting wound can heal quickly with little scarring Description:

This tool is designed for cutting branches flush to the trunk so that the resulting wound can heal quickly with little scarring. The high-carbon steel of this concave cutter will keep a sharp edge indefinitely when properly used and cared for. Our version is made of high-quality steel and is finished in black.

Bonsai Concave Cutter/Bonsai Tools