Interconnection unit configured to connect modules of a cargo container coupling arrangement, the coupling arrangement being configured to be releasebly attached to a lifting arrangement and configured to couple a cargo container with the lifting arrangement, wherein the modules comprise at least a head block module and a spreader module, characterized by the interconnection unit comprising: one or more head block fastening units (1241, 1242), each head block fastening unit being provided with an anchor point (1243, 1244) arranged in a first plane, wherein a first reference axis and a second reference axis are mutually orthogonal to one another and extending along the first plane, wherein the anchor point (1243, 1244) is configured to releasebly attach to the head block module of the lifting arrangement using an anchor point matching the head block module, each head block fastening unit (1241, 1242) movably coupled to a corresponding displacement unit (1245, 1246) and arranged to displace the provided anchor point (1243, 1244) along an axis parallel to the first reference axis, the interconnection unit further comprising the one or more corresponding displacement units (1245, 1246), each displacement unit (1245, 1246) being movably coupled to the corresponding head block fastening unit (1241, 1242) and movably coupled to a spreader fastening unit, the displacement unit (1245, 1246) being arranged to displace the provided anchor point (1243, 1244) of the corresponding head block fastening unit (1241, 1242) along a axis parallel to the second reference axis, the interconnection unit further comprising the spreader fastening unit configured to be attached to the spreader module, wherein the spreader fastening unit is movably coupled to the one or more displacement units (1245, 1246), and the interconnection unit further comprising a plurality of locking arrangements, each locking arrangement being configured to prevent each displacement unit (1245, 1246) from moving relatively to the spreader fastening unit, or to prevent each head block fastening unit (1241, 1242) from moving relatively to the corresponding displacement unit (1245, 1246). one or more head block fastening units (1241, 1242), each head block fastening unit being provided with an anchor point (1243, 1244) arranged in a first plane, wherein a first reference axis and a second reference axis are mutually orthogonal to one another and extending along the first plane, wherein the anchor point (1243, 1244) is configured to releasebly attach to the head block module of the lifting arrangement using an anchor point matching the head block module, each head block fastening unit (1241, 1242) movably coupled to a corresponding displacement unit (1245, 1246) and arranged to displace the provided anchor point (1243, 1244) along an axis parallel to the first reference axis, the interconnection unit further comprising the one or more corresponding displacement units (1245, 1246), each displacement unit (1245, 1246) being movably coupled to the corresponding head block fastening unit (1241, 1242) and movably coupled to a spreader fastening unit, the displacement unit (1245, 1246) being arranged to displace the provided anchor point (1243, 1244) of the corresponding head block fastening unit (1241, 1242) along a axis parallel to the second reference axis, the interconnection unit further comprising the spreader fastening unit configured to be attached to the spreader module, wherein the spreader fastening unit is movably coupled to the one or more displacement units (1245, 1246), and the interconnection unit further comprising a plurality of locking arrangements, each locking arrangement being configured to prevent each displacement unit (1245, 1246) from moving relatively to the spreader fastening unit, or to prevent each head block fastening unit (1241, 1242) from moving relatively to the corresponding displacement unit (1245, 1246).