The Zen port ZJ69 professional pocket grafting tool is an excellent choice for the avid horticulturalist. Simply hold the tool & place the target plant to be grafted inline with the grafting blade. Press with the thumb to Complete the angle cut. Repeat the step, & combine both upper & lower cuttings securing the joint with grafting tape. Please note For use only with plants smaller than 9mm/. 35" In diameter.