An attachment for a syringe, a carpule or the like, comprising - a distal end and - a terminal extension at the distal end, wherein - the extension includes an outer surface, a free end, and at least one depression introduced into the outer surface at a distance to the free end, wherein - the attachment comprises a base body being placeable onto the terminal extension, wherein - the base body enclosing a free space, into which the terminal extension is introduced, wherein - the base body comprising two materials, being composed of a first material that is dimensionally stable and a second material that is softer than the dimensionally stable first material and that is deformable, wherein - the base body includes at least one engagement region, which in a state in which the annular base body is plugged onto the terminal extension engages into the at least one depression, wherein - along an imaginary circumferential line, the base body has first regions including the first material, and second regions including the second material, wherein - in a state in which it is plugged onto the terminal extension, the second material is molded into the at least one depression, and - the second material is embedded into the first material, characterised in that - on a first end, the base body includes an annular body, which in a state in which it is applied to the terminal extension embraces an annular region of the terminal extension, wherein the at least one depression is disposed in the annular region of the terminal extension, and that - wherein the annular body includes in a circumferential direction along the imaginary circumferential, preferably arranged at equal distance to each other, line segments which form the first regions, and laterally adjacent openings in intermediate spaces between the segments, in which the second material is arranged, and which form the second regions, wherein - in the state in which the annular body is applied to the terminal extension, the imaginary circumferential line is located in the region of the at least one depression of the terminal extension. - a distal end and - a terminal extension at the distal end, wherein - the extension includes an outer surface, a free end, and at least one depression introduced into the outer surface at a distance to the free end, wherein - the attachment comprises a base body being placeable onto the terminal extension, wherein - the base body enclosing a free space, into which the terminal extension is introduced, wherein - the base body comprising two materials, being composed of a first material that is dimensionally stable and a second material that is softer than the dimensionally stable first material and that is deformable, wherein - the base body includes at least one engagement region, which in a state in which the annular base body is plugged onto the terminal extension engages into the at least one depression, wherein - along an imaginary circumferential line, the base body has first regions including the first material, and second regions including the second material, wherein - in a state in which it is plugged onto the terminal extension, the second material is molded into the at least one depression, and - the second material is embedded into the first material, - on a first end, the base body includes an annular body, which in a state in which it is applied to the terminal extension embraces an annular region of the terminal extension, wherein the at least one depression is disposed in the annular region of the terminal extension, and that - wherein the annular body includes in a circumferential direction along the imaginary circumferential, preferably arranged at equal distance to each other, line segments which form the first regions, and laterally adjacent openings in intermediate spaces between the segments, in which the second material is arranged, and which form the second regions, wherein - in the state in which the annular body is applied to the terminal extension, the imaginary circumferential line is located in the region of the at least one depression of the terminal extension.