PROFESSIONAL GRAFTING TOOLIt made perfect clean cut every time you used it. It will work on many kind of plants, especially on fruit trees. The package also included total 3 blades: OMEGA type, V type, U type these blades are very durable & strong, they will last much longer & stay sharper than regular blades. After you have selected a good scion(one year old, w at least 2 sections of joint above) & cut it (wipe grafting tool cutting blade with alcohol) to perfect fit to root