3 PCS Bonsai tool Set JTTK-23 Wire Cutter / Round Edge Cutter / Bonsai Tweezers Master Grade Bonsai Tools Excellent Quailty Quality: master's grade, handmade by the master worker from TianBonsai, have the best quality in our tools. Including Stainless Steel Wire Cutter (8") / Round Edge Cutter (8") & Bonsai Tweezers Master Quality Material detail: Wire Cutter and Round Edge Cutter, manufactured via 5Cr15MoV stainless steel. the Bonsai Tweezers manufactured via 3Cr13 stainless steel. Hardness detail: Wire Cutter and Round Edge Cutter were differential heat treatment by the high frequency machine, the working edge's hardness is over HRC58. Quality Assurance: 3 Years, in normal use, if the tools have any problem, we will resending a new one to you without any fee, you just need to take a photo to us to show the problem.