The present invention provides a bone fastener assembly useful in constructs for stabilizing bones of a patient. In one aspect of the invention, a bone fastener assembly includes a connecting member, a fastener seat, and a bone fastener. The fastener seat and fastener are receivable in the connecting member and the fastener seat is movable from a first position to a second position to retain the fastener in the connecting member. In another aspect of the invention, a bone fastener assembly includes a rod holder, a fastener seat mounted to the rod holder for rotation about the rod holder axis; and a bone, fastener. The bone fastener is generally “T”-shaped and engages the fastener seat in pivoting relationship such that the bone fastener is able to pivot to vary the angle between the bone fastener and the fastener seat.