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Features:
it is easy to match the U-cut-cut or Ω-cut, rapid healing.
Using easily and fast. Grafting method than the traditional savings.
The time and effort Blade can be replaced.
Use the pruner to cut useless branches from the plant.
Specifications:
Materials: carbon steel, ABS and Aluminum
Color: black &red 
Cut grafting stocks diameter from 5mm/0.2"-1.4cm/0.55"
Trimming blades thickness: 3mm/0.12"
Phillips screwdriver with red handle
Size 27cm * 10cm/10.5inch * 3.9inch
(1cm=0.39Inches)
How to use:
Step 1: Hold the grafting stock in the grafting tool and squeeze the handle to make the cut, repeat this step to cut stem from the donor plant. Take care to ensure that the groove is cut in the stock plant.
Step 2: Slide the donor stem into the groove of the stock plant, matching the cut surfaces as closely as possible. If the stock and donor plant are not the same size, match on the side only.
Step 3: Place sterilizing material around the joint, and bind with tape, the sterilizing material will protect against bacteria and weather conditions.
Step 4: Use the pruner to cut useless branches from the plant.
Step 5: The grafting tool with "V & U & Ω" blade and the end of blade both can cut, one piece blade can be used as two pieces blade, so you would have total six pieces blade.
Note:
Keep out of reach of children do not use on dry or old hard wood.
Grafting Machine Garden Tools with 2 Blades Tree Grafting Tools Secateurs Scissors Grafting Tool Cutting Pruner High Quality