Adjustable Height- Each threaded frame tools can adjust freely and the screw can be adjusted to reduce or increase the height. We have two models, the first one has an original height of 33mm, which can be up to a max 40mm. The original height of the second type is 47mm, which can be increased to a maximum of 64mm. Easy to Install- The headboard fixator installation operation is very simple, without tools. You just need to stick the side of the base to the head of the bed with double-sided tape, and then tighten the side of the EVA pad to the side of the EVA pad by hand until the headboard fastener is close to the wall. Improve Sleep Quality- Headboard anti-vibration can reduce the noise caused by unstable bed frames or other furniture, give you a quiet and comfortable home environment, and enjoy life better. High-quality Materials- These adjustable anti-vibration telescopic tools are made of high-quality metals and materials. The sturdy body has a flexible base, which can meet your needs well, and the surface is smooth and will not scratch your skin. Wide Range of Use- Headboard anti-vibration mount can be used in many places, as long as you have objects with unstable center of gravity or easily vibrating, you can use it, such as bed against the wall, wardrobe, chairs etc. Anti-vibration for bed effectively reduces noise and protects walls from damage. Features: Silent environment: We use anti-vibration tools like moisture-proof glue and protective pads to reduce the uncomfortable noise from the floor as much as possible for you. You just need to fix the headboard stops in the position you need to use and then adjust the appropriate length by turning it. Protective effects: The protective mat not only strengthens the furniture more stably, but also protects the wiring to prevent damage to the furniture. Warm Tips: You need to measure the hanging furniture and the distance between the two, and then choose the correct size of anti-vibration bed. Specifications: Material: Iron Length: 33-40mm, 47-64mm Diameter: 44mm black cushion edge 37mm iron edge Number 8 Package Includes: 4x Bed Anti-Vibration(33mm) 4x Header Fixer(47mm)