Zenport&reg; ZJ69 Grafting tool (Omega blade) The grafter has a blade with an Omega Shape in order to get a good join. Hold the stem of the stock plant in the grafting tool and squeeze the handle to make the cut. Repeat this step to get a piece of grafting stock from the donor plant. Once you have joined the 2 pieces of plant material wind a piece of budding and grafting tape around the join to. The front of the tool has light duty pruning blades that enable the user to cut off any useless branches or leaves.