Jin Plier Tian Bonsai Tools Master Quality Stainless Steel 205 Mm (8") Quality: master's grade, handmade by the master worker from TianBonsai, have the best quality in our tools. Material detail: the Jin Pliers, manufactured via 5Cr15MoV stainless steel. Hardness detail: Jin Pliers was 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. This jin pliers, have long handle and high hardness tooth, For circle the training wire, modeling bonsai. And, it's top of head is absolutely close, is very useful to tearing the tree bark.