Rootstock and scion are easy to match with U-shaped shears or -shaped shears, and heal quickly. Easy and quick to use. The grafting method is more economical than the traditional method. You can replace time-saving and labor-saving blades. Use pruning shears to cut useless branches from the plant. specification: Material: Aluminum alloy Size: The host is 21cm long and 12cm wide how to use: Step 1: Put the grafted rootstock in the grafting tool and squeeze the handle to cut, repeat this step to cut the stem from the donor plant. Take care to make sure that the groove is cut in the inventory equipment. Step 2: Slide the donor stem into the groove of the original plant, as close to the cutting surface as possible. If the size of the original species and the donor plant are different, they are matched only on the side. Step 3: Place disinfection materials around the joints and tie them with tape. The disinfection materials can prevent bacteria and weather conditions. Step 4: Use pruning shears to cut useless branches from the plant.Step 5: Both the grafting tool of the "V, U, " blade and the end of the blade can be cut. One blade can be used as two blades, so you have a total of six blades. notes: Keep out of reach of children, do not use on dry or old hardwood. package: 1 grafting machine without accessories