Clamping system

A clamping system for clamping a load container (4), for example a roof box or the like, to a load suspension device (3), comprising at least one pair of attachment hooks (1) for attachment to the load suspension device (3) and at least one tightening arm (2) provided for clamping of the load container (4) to the load suspension device (3), whereby the attachment hooks (1) are insertable into the load container (4) and the tightening arm (2) is provided between the pair of attachment hooks (1) on the inside of the load container (4).