Headboard stoppers adjustable, you can change the bed frame anti-shake tool size according to the screws, the anti-shake fixer body size is approx. 2 inch in height. adjust the tightness of the screws to increase the length to 2.6 inch. The base can be rotated 360 degrees, the angle can be adjusted, suitable for making the angled or uneven surfaces, you can come according to the actual situation matching use. Wall protection, our bed frame anti-shake tool without drilling into walls or head boards.the metal base of anti bed shake tool with red double-sided tape is glued to the head of the bed, and then the side of the eva pad is twisted by hand until bed stoppers is against the wall. This adjustable threaded bed frame anti-shake tool can be used in many places, the center of gravity is unstable or easy to shake the object can be used, such as bed, sofa, chair,cabinet and other objects used against the wall.it can effectively reduce noise and protects your wall from damage. Warm Tips: measure the distance between your shaking furniture and the wall, then choose the right size adjustable threaded bed frame anti-shake tool to hold it in place. The bed frame anti-shake tool can help you fix furniture, prevent furniture from shaking, reduce the source of household noise, and enjoy good home life.Also it keeps the headboard from scraping against the wall. Packaging Includes - 4 Pieces Bed Frames Anti-Shake Tool, 4 x double-sided foam tape, 4 x protective pads (It would not damage the wall or furniture and for Corner Bumpers, Gap Fxing, Elevated Footrests)" The center of gravity of the bed is unstable or easy to shake, and it squeaks when sleeping. This product will help you solve the above problems. The bed head is fixed to prevent swinging, calm your mood and improve sleep quality. Our threaded glides screw into place and can transform your bed frame in minutes, Make your bed more stable. Suggest: Install four at the same time to fix it, two are installed above to prevent shaking, and two are installed below to prevent movement.