Set comprising - at least one orthopaedic implant for being permanently attached to bones in the bodies of vertebrates and/or humans, in particular in order to block vertebrae, comprising an elongate, substantially cylindrical main body, wherein said set comprises an external fixing thread for being screwed into the bone, wherein the main body of the implant is provided with front attachment means on a front end, and wherein the main body comprises at least one counter portion which has a non-circular cross-sectional profile, - at least one guiding device for pilot-drilling a substantially cylindrical channel into bones in the bodies of vertebrates and/or humans, wherein the guiding device is designed to be detachably attached in the extension of the main body of the implant by interacting with the front attachment means of the implant, and wherein the guiding device comprises at least one counter portion which has a non-circular cross-sectional profile, - one or more counter means for interacting with the counter portion of the implant in order to transmit a torque to the implant, which torque has a direction vector that is parallel to the longitudinal axis of the implant, said counter means comprising a counter-means-side counter portion which has a cross-sectional profile formed so as to be complementary to the cross-sectional profile of the implant-side counter portion, - one or more connection means comprising a portion for producing an operative connection to a drilling device, wherein the connection means comprise, on a front end, means for being detachably attached to the implant, and are preferably designed to extend through the counter means, wherein at least one implant is designed to interact with at least one of the guiding devices, at least one of the counter means and at least one of the connection means. - at least one orthopaedic implant for being permanently attached to bones in the bodies of vertebrates and/or humans, in particular in order to block vertebrae, comprising an elongate, substantially cylindrical main body, wherein said set comprises an external fixing thread for being screwed into the bone, wherein the main body of the implant is provided with front attachment means on a front end, and wherein the main body comprises at least one counter portion which has a non-circular cross-sectional profile, - at least one guiding device for pilot-drilling a substantially cylindrical channel into bones in the bodies of vertebrates and/or humans, wherein the guiding device is designed to be detachably attached in the extension of the main body of the implant by interacting with the front attachment means of the implant, and wherein the guiding device comprises at least one counter portion which has a non-circular cross-sectional profile, - one or more counter means for interacting with the counter portion of the implant in order to transmit a torque to the implant, which torque has a direction vector that is parallel to the longitudinal axis of the implant, said counter means comprising a counter-means-side counter portion which has a cross-sectional profile formed so as to be complementary to the cross-sectional profile of the implant-side counter portion, - one or more connection means comprising a portion for producing an operative connection to a drilling device, wherein the connection means comprise, on a front end, means for being detachably attached to the implant, and are preferably designed to extend through the counter means,