Safety tool for supporting and holding an interchangeable utensil, which includes a holding clip, hinged to the utensil support body joined to the beam, the said clip being pushed on one side, while on the other side there are teeth facing the utensil support body, and of which a tooth is used for holding a safety hook and a lower tooth presses against the outer side of a spring for lifting the hook. The safety hook, being positioned between the holding clip and the utensil support body, has a seat on one side, along which the said first tooth of the holding clip is inserted, while on the other side, there is a hooking terminal with a leading plane, that is inserted inside a groove, preferably of the type for utensils with a standard shank.