Abstract: Device for Vee-grafting, especially for hard-and-stone-fruit trees, with an angled knife (8) for cutting a groove (K) in the stock (10) arranged to move in an outer part (2), formed as a guide space by means of a toggle lever (31, 32, 33), which is inclined in relation to the axis of the stock, characterized in that there is an inner part (3) moveable inside the outer part (2) in the forward region (3') or front end of which is fitted the knife (8) and in the rear region (3") of which there is an aperture (7) for the scion (12) and where the outer part (2) has an aperture (4) in its forward region (2') for the stock (10) and in its rear region (2") an aperture (5) which can be caused to coincide with the aperture (7) in the inner part (3) and has an angled knife (6) at the forward edge.