Premium Materials: Adjustable furniture risers are made of high quality plastic. The high-quality felt feet can be moved freely without damaging the floor or furniture. This reduces noise and is rotatable and height-adjustable. Easy Installation: Easy installation without drilling holes. Adjust the length of the headboard bumper as needed. So you can change the stability of the bed frame in minutes by simply screwing on the headboard wall protector. Wide range of uses: This headboard stopper anti-shake tool can be used in many places as long as the center of gravity is unstable or objects tend to shake. Such as shaking furniture, bed, cabinet, chair, sofa and other items used on the wall. Full Protection: The adjustable threaded anti-shake tool effectively reduces noise and protects your walls from damage. This headboard stabilizer prevents the headboard from wobbling. Height Adjustable: In order to meet different needs, the height can be adjusted freely by adding or decreasing the middle nut (about 9.5-11cm). Colour: black Product includes: 2pcs Notes: Please allow 1-3cm error, due to manual measurement, please make sure you don't mind before bidding. Due to the difference between different monitors, the picture may not reflect the actual colour of the item. Thank you for your support