A hooklift comprising: - a jib, - a hook capable of being engaged in a ring of a container, the hook being slidably mounted relative to the jib, - a positioning device comprising a slot and a slider, the slot being arranged in one of the hook and of the jib, and the slider being capable of being fastened onto the other of the hook and of the jib so that the slider slides in the slot when the hook slides relative to the jib, wherein the slot has a first end and a second end, the slider being capable of abutting selectively against the first end of the slot so as to prevent a sliding of the hook relative to the jib in a first sliding direction beyond a first predefined position of the hook relative to the jib, and against the second end of the slot so as to prevent a sliding of the hook relative to the jib in a second sliding direction beyond a second predefined position of the hook relative to the jib, the hooklift being characterised in that one of the hook and of the jib has a first fastening hole and the other of the hook and of the jib has a second fastening hole and a third fastening hole, the first fastening hole, the second fastening hole and the third fastening hole being arranged so that: - when the hook is in the first predefined position, the first fastening hole is located opposite the second fastening hole, enabling the insertion of a fastening pin through the first fastening hole and the second fastening hole, to block the hook in the first position, and - when the hook is in the second predefined position, the first fastening hole is located opposite the third fastening hole, enabling the insertion of the fastening pin through the first fastening hole and the third fastening hole, to block the hook in the second position. - a jib, - a hook capable of being engaged in a ring of a container, the hook being slidably mounted relative to the jib, - a positioning device comprising a slot and a slider, the slot being arranged in one of the hook and of the jib, and the slider being capable of being fastened onto the other of the hook and of the jib so that the slider slides in the slot when the hook slides relative to the jib, wherein the slot has a first end and a second end, the slider being capable of abutting selectively against the first end of the slot so as to prevent a sliding of the hook relative to the jib in a first sliding direction beyond a first predefined position of the hook relative to the jib, and against the second end of the slot so as to prevent a sliding of the hook relative to the jib in a second sliding direction beyond a second predefined position of the hook relative to the jib, the hooklift being characterised in that one of the hook and of the jib has a first fastening hole and the other of the hook and of the jib has a second fastening hole and a third fastening hole, the first fastening hole, the second fastening hole and the third fastening hole being arranged so that: - when the hook is in the first predefined position, the first fastening hole is located opposite the second fastening hole, enabling the insertion of a fastening pin through the first fastening hole and the second fastening hole, to block the hook in the first position, and - when the hook is in the second predefined position, the first fastening hole is located opposite the third fastening hole, enabling the insertion of the fastening pin through the first fastening hole and the third fastening hole, to block the hook in the second position. - when the hook is in the first predefined position, the first fastening hole is located opposite the second fastening hole, enabling the insertion of a fastening pin through the first fastening hole and the second fastening hole, to block the hook in the first position, and - when the hook is in the second predefined position, the first fastening hole is located opposite the third fastening hole, enabling the insertion of the fastening pin through the first fastening hole and the third fastening hole, to block the hook in the second position.