A suction cup for a vacuum powered tool, comprising an end piece and a sealing ring the suction cup in a first or upper end being arranged to be brought into fluid flow communication with a vacuum source, and the suction cup in its opposite second or lower end being arranged to be brought tightly into contact with the surface of an object to be handled by the suction cup, said lower end being arranged to be coupled to the sealing ring , said sealing ring having a sealing surface arranged between an outer periphery and a through-opening defined by an inner periphery , and in the region of its inner periphery region being shaped for engagement with the suction cup, wherein the suction cup in its lower end has a circumferentially running groove defined between opposite upper and lower walls and having an outwardly mouthing cross-sectional profile with a mainly radial extension towards a bottom of the groove located inside of a mouth , and wherein the inner peripheral region of the sealing ring has a lip that is adapted to the groove for engagement with the bottom region of the groove, the lip being insertable in the groove under form fitting engagement and in a mutually radially overlapping relationship between the lip and the groove in the region (r) of engagement, characterized in that the suction cup further comprises at least one bellows , arranged between the end piece and the sealing ring, wherein the set of elements, consisting of sealing ring, bellows, and end piece, are mutually connectable and have coupling means of complementary shape formed integrally therewith and adapted for a form fitting engagement between coupled elements, which elements are optionally combinable by the coupling means comprising one singular interface which is common for all elements. the suction cup in a first or upper end being arranged to be brought into fluid flow communication with a vacuum source, and the suction cup in its opposite second or lower end being arranged to be brought tightly into contact with the surface of an object to be handled by the suction cup, said lower end being arranged to be coupled to the sealing ring , said sealing ring having a sealing surface arranged between an outer periphery and a through-opening defined by an inner periphery , and in the region of its inner periphery region being shaped for engagement with the suction cup, wherein the suction cup in its lower end has a circumferentially running groove defined between opposite upper and lower walls and having an outwardly mouthing cross-sectional profile with a mainly radial extension towards a bottom of the groove located inside of a mouth , and wherein the inner peripheral region of the sealing ring has a lip that is adapted to the groove for engagement with the bottom region of the groove, the lip being insertable in the groove under form fitting engagement and in a mutually radially overlapping relationship between the lip and the groove in the region (r) of engagement, characterized in that the suction cup further comprises at least one bellows , arranged between the end piece and the sealing ring, wherein the set of elements, consisting of sealing ring, bellows, and end piece, are mutually connectable and have coupling means of complementary shape formed integrally therewith and adapted for a form fitting engagement between coupled elements, which elements are optionally combinable by the coupling means comprising one singular interface which is common for all elements. <EOS>