ANTI-VIBRATION DEVICE

An anti-vibration device including an outer cylinder ; a shaft member that is provided in the outer cylinder ; and an elastic member that links the outer cylinder and the shaft member , in which the shaft member has an inner cylinder and four stopper portions to that protrudes from a circumferential surface of the inner cylinder toward the outer cylinder and that are mutually provided at intervals in a circumferential direction, and in which the elastic member links the outer cylinder and the shaft member at a position between stopper portions that are adjacent to each other in the circumferential direction.