Niuniu Premium Materials: Adjustable furniture risers are made of high-quality plastic. The high-quality felt feet allow smooth movement without damaging floors or furniture, reducing noise while providing rotatable and height-adjustible functionality. Easy Installation: No drilling required. Simply adjust the length of the headboard bumper and screw on the headboard wall protector to enhance bed frame stability within minutes. Wide Range of Uses: This headboard stopper and anti-shake tool can be used in various applications where stability is needed, such as beds, cabinets, chairs, sofas, and other wall-mounted furniture prone to shaking. Full Protection: The adjustable threaded anti-shake tool helps reduce noise and protects walls from damage. This headboard stabilizer prevents wobbling and enhances safety. Height Adjustable: Designed to meet varying needs, the height can be freely adjusted by adding or removing the middle nut (approximately 9.5–11 cm). Color: Black Package Includes: 2 pieces Note: Please allow 1–3 cm variation due to manual measurement. Ensure you are comfortable with this before purchasing. Due to differences in monitor displays, the actual color of the item may vary slightly from the images shown. Thank you for your support.