A bone screw arrangement with a variable length, comprises a guide screw, which is formed with a guide that extends in the axial direction in the interior of the guide screw, and comprises an anchor screw, which has a guide element that is received in the guide such that an arrangement length formed by the guide screw together with the anchor screw can be adjusted by moving the guide element in the axial direction in the guide in the interior of the guide screw. The guide element is received in a free-running manner in a portion of the guide when the guide element is moved in order to change the arrangement length, and the guide element is blocked from running freely in the axial direction at least in a distal end position in which the anchor screw is completely extended.
