Design:This Adjustable Telescopic Anti Shake Tool can effectively reduce the noise caused by the unstable structure of the bed. Features:Adjustable threaded bed frame anti shake tools are fixed by strong double sided tape,the length of the screw can be adjusted to adapt to different gaps. Application:Headboard Stoppers,sofa stabilizer,or cabinet anti shake tool;Also useful to the chair and other furnitures used against the wall. Pqackage:4 pack 47-64 anti shake tools.If you need shorter ones,please unscrew the screws and reassemble. 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.