A clamping device (200, 205, 400, 405) for lifting an object comprising a connection element (250, 255, 450, 455); a first jaw assembly (260, 265, 460, 465) coupled to the connection element (250, 255, 450, 455), wherein the first jaw assembly (260, 265, 460, 465) comprises a first jaw (261, 266, 461, 466); a second jaw assembly (240, 255, 440, 445) coupled to the connection element (250, 255, 450, 455), wherein the second jaw assembly (240, 255, 440, 445) comprises a second jaw (241, 246, 441, 446) and a jaw support (242, 247, 442, 447), wherein the first jaw and the second jaw (261, 266, 461, 466) (241, 246, 441, 446) are configured for clamping on an object, wherein the second jaw (241, 246, 441, 446) is movably coupled to the jaw support, characterised in that, the jaw support (242, 247, 442, 447) comprises a metal core (1110, 1111, 1112, 1113, 1114, 1115, 1116) at least partially embedded in a jaw support body (1120, 1121, 1122, 1123, 1126), wherein the metal core (1110, 1111, 1112, 1113, 1114, 1115, 1116) is configured to provide a structural support for the clamping device, wherein the jaw support body (1120, 1121, 1122, 1123, 1124, 1125, 1126) comprises a material different from the material of the metal core (1110, 1111, 1112, 1113, 1114, 1115, 1116), wherein the second (240, 265, 460, 465) jaw assembly is configured so that, after clamping on the object, when the clamping device moves up for lifting the object, the lifting force is translated to a force pushing on the second jaw (241, 246, 441, 446) toward the object. a connection element (250, 255, 450, 455); a first jaw assembly (260, 265, 460, 465) coupled to the connection element (250, 255, 450, 455), wherein the first jaw assembly (260, 265, 460, 465) comprises a first jaw (261, 266, 461, 466); a second jaw assembly (240, 255, 440, 445) coupled to the connection element (250, 255, 450, 455), wherein the second jaw assembly (240, 255, 440, 445) comprises a second jaw (241, 246, 441, 446) and a jaw support (242, 247, 442, 447), wherein the first jaw and the second jaw (261, 266, 461, 466) (241, 246, 441, 446) are configured for clamping on an object, wherein the second jaw (241, 246, 441, 446) is movably coupled to the jaw support, wherein the second jaw assembly (240, 255, 440, 445) comprises a second jaw (241, 246, 441, 446) and a jaw support (242, 247, 442, 447), wherein the first jaw and the second jaw (261, 266, 461, 466) (241, 246, 441, 446) are configured for clamping on an object, wherein the second jaw (241, 246, 441, 446) is movably coupled to the jaw support, characterised in that, the jaw support (242, 247, 442, 447) comprises a metal core (1110, 1111, 1112, 1113, 1114, 1115, 1116) at least partially embedded in a jaw support body (1120, 1121, 1122, 1123, 1126), wherein the metal core (1110, 1111, 1112, 1113, 1114, 1115, 1116) is configured to provide a structural support for the clamping device, wherein the jaw support body (1120, 1121, 1122, 1123, 1124, 1125, 1126) comprises a material different from the material of the metal core (1110, 1111, 1112, 1113, 1114, 1115, 1116), wherein the second (240, 265, 460, 465) jaw assembly is configured so that, after clamping on the object, when the clamping device moves up for lifting the object, the lifting force is translated to a force pushing on the second jaw (241, 246, 441, 446) toward the object.