A device for coupling two components (1, 2), in particular two rods or bars, with two coupling parts (3) which can in each case be arranged on those ends of the components (1, 2) which are to be coupled, and with a connection means (4) which can be brought into engagement with the coupling parts (3), is configured and developed to ensure secure coupling of components, even when the prepositioning is unfavourable, such that the connection means (4) comprises at least two holding elements (5) which can be arranged against one another to engage around the coupling parts (3) and which can be fixed to one another by means of at least one clamping device (6).