Bonsai Knob Cutter 180mm Concave Edge High Carbon Alloy Steel Master Grade Tool

Description

Bonsai Knob Cutter 180mm Concave Edge High Carbon Alloy Steel Master Grade Tool
Name: knob cutter JTCS- 09
Material: high-carbon alloy steel
Overall length: 180mm
Surface Treatment: black oxide coating
Edge Hardness: HRC58, quenching by the high frequency coil
Quality Assurance: 3 Years, if the tools have problems for use, we will repairing it for you without anyfee, you just need to sending it to us.
Quality: master’s grade, handmade by the master worker from TianBonsai, have the best quality in our tools.
Function Detail: this knob cutter, have a round cocave edge, use to cutting the bonsai tree burl and root burl, would making a circular cocave incision. in the healing process, tree's sap would cover this incision and let it healing quickly and excellent smooth