Reduces Noise and Vibration: Our fixed vibration headboard stabilizer helps minimize noise and vibration during use. The included anti-vibration tools are designed to provide stability and quiet performance. Scope of delivery: 4 anti-vibration tools (2 large and 2 small). The large size fits clearance of 77–90mm; the small size fits clearance of 42–47mm. Full Protection: The anti-shake bed frame accessory helps reduce movement and protects walls from potential damage. This headboard stabilizer helps prevent the bed headboard from shifting. Easy to Install: These headboard stabilizers require no drilling. Attach the metal base to the headboard using the included double-sided tape, then manually adjust the cushion until it securely touches the wall. Wide Range of Applications: This adjustable threaded bed stabilizer can be used in various settings where stability is needed, such as beds, cabinets, chairs, sofas, and other household furniture.