GUOXING Premium Materials: Adjustable furniture risers are made of high-quality plastic. The high-quality felt feet allow smooth movement without damaging the floor or furniture, reducing noise and offering rotatable, height-adjustible functionality. Easy Installation: No drilling required. Simply adjust the length of the headboard bumper as needed and screw on the headboard wall protector to enhance bed frame stability in 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 or freestanding 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 improves safety. Height Adjustable: Designed to meet different requirements, the height can be freely adjusted by adding or removing the middle nut (approximately 9.5–11 cm). Color: Black Package Includes: 2 pcs Note: Allow 1–3 cm error due to manual measurement. Please ensure you are comfortable with this before purchasing. Due to differences in monitor displays, the actual color may vary slightly from the image. Thank you for your support.