A sliding guide element for moveable fastening a tabletop on bearing struts of a table frame comprises a main body configured to fasten to the underside of a tabletop, comprising a guiding portion configured to insert into a guide slot in bearing struts and moveable in the guide slot wherein the guide portion includes lateral guide surfaces for lateral guidance in the guide slot. The sliding guide element further includes resilient snap-fit limbs arranged on mutually opposed sides of the main body of the sliding guide element and moveable between an under-engagement position and project laterally over the guide portion to engage under a wall of the bearing struts, and an insertion position in which the snap-fit limbs guide through the guide slot in the bearing struts. The sliding guide elements still further includes a resiliently flexible end stop damper on at least one end region of the sliding-guide element.