Stanwood Bonsai Tool Concave and Knob Cutters Discontinued by Manufacturer
These quality specialty cutters are made of carbon steel. The set includes 8" concave cutter and 8 1/4" knob cutter. Both tools are designed for removing branches - live or dead. Concave cutters remove branches by leaving a small indented cut that heals with little or no scar. Knob cutters are designed for cutting out knobs from trunks and branches with minimal scars. These tools are covered by one year free replacement warranty.