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Master Quality Knob Cutter Bonsai Tools Concave Cutter Round Edge Cutter 175 Mm (7") Stainless Steel From TianBonsai

Item Code: 1447367533
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About JTS-09
Name: knob cutter JTS- 09
Brand:     TianBonsai
Material: stainless steel (5Cr15MoV)
Product Specification: 
overall length: 7 inch 
blade width: 1/2 inch
Surface Treatment: sand polish
Edge Hardness: HRC58, quenching by the high frequency coil
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.
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.      
 
Precautions for use of the product
Please choice the right products base on the size of your bonsai trees. we offering the different size bonsai tools, below is the limit size of branch they be designed for cutting:
7inch cutters, could use for cutting the limit 5 mm wet branch.
8inch cutters, could use for cutting the limit 8 mm wet branch.
11inch cutters, could use for cutting the limit 15 mm wet branch.

About TianBonsai Co. Ltd.
TianBonsai Co. Ltd. is a professional manufacturing company focusing on the creation of high quality bonsai tools. Our production facility is located in China. 
At TianBonsai we have the foremost trained craftsmen with a complete production line. Many years of experience have taught us how to make the best quality bonsai tools. 
We are the original equipment manufacturer (OEM) for many famous brand bonsai tool companies. 
Besides the TianBonsai brand, we own Mu-Tian and Beginner Series brand. Since June 2013, we have established our own online stores at eBay, Amazon and Aliexpress. We now have acquired the trust of many bonsai enthusiasts around the world.   
Carrying on the management philosophy that the customer comes first, TianBonsai continues to improve the logistics of distribution and after-purchase customer service. We constantly consider your wishes so you have the best consumer experience possible.
Our commitment is to bring to you the most reliable, durable and finest products achievable. We hope that our products increase your enjoyment of bonsai and together we can advance this ancient, elegant  art.

Four Basic Categories From TianBonsai
Tian Bonsasi tools fall into four basic categories: Standard , Professional , Master and Master Craftsman Series.

Master Craftsman Series
Master Craftsman Series bonsai tools, is the newest series from TianBonsai, it's a special gift for the master. this series tools, were hand made by the  master craftsman from TianBonsai. material is 9Cr25MoV stainless steel, this material, contains Molybdenom, Vanadium, 0.9% Carbon and 2.5% Chromium, after quenching treatment, it's hardness is over HRC62, have high intensity, strong tenacity and wearability.

Master's Grade (Tian Bonsai tools)                          
Master's Grade tools, were manufactured via 5Cr15MoV (Stainless Steel Tool) and High-Carbon Alloy Steel (Carbon Steel Tool), handmade by the master worker from TianBonsai. 
About 5Cr15MoV Steel, strictly speaking it's not the real non-rust steel, it is more advanced alloy material.
As the good material for the bonsai tools, would need with high intensity, strong tenacity and wearability, so our Master's Grade tools were manufactured via the 5Cr15MoV Steel. this material, contains Molybdenom, Vanadium, 0.5% Carbon and 1.5% Chromium, after quenching treatment, it's hardness is over HRC58, have high intensity, strong tenacity and wearability.
But, please note one condition,  because of this material contained 0.5% Carbon, it's surface still would be rusting. but because of  it also contained the Chromium, the Chromium will formation a layer passivation film to protecting the body of tools and never let it rusting. so, if you don't tending your tools after long time used, perhaps you will find your tools have a bit rusty, don't worry, the rust only on the surface, it never injure your tools.

Professional Grade (Mu Tian Bonsai tools)                     
Professional Grade tools, material is 4Cr13MoV (Stainless Steel Tool) and High-Carbon Alloy Steel (Carbon Steel Tool), handmade by professional technicians from TianBonsai. 
About 4Cr13MoV Steel, it slightly inferior to 5Cr15MoV Steel, but it also as the good material for the bonsai tool, contains Molybdenom, Vanadium, 0.4% Carbon and 1.3% Chromium, after quenching treatment, it's hardness is over HRC55, also with high intensity, strong tenacity and wearability.

Standard grade (Beginner Bonsai Tools)
To popularize the bonsai art, TianBonsai supplying the standard grade bonsai tools to the bonsai beginner, it's material is 3Cr13 (Stainless Steel Tool) and Carbon Steel (Carbon Steel Tool), handmade by skilled worker from TianBonsai.
About the 3Cr13 stainless steel, it contains 0.3% Carbon and 1.3% Chromium, after quenching treatment, it's hardness is over HRC50. this grade tools also have nice quality and complete function. it's popular price would let you have the nice tools for cross the threshold of the bonsai art  easily.

  
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