This item is set of bed frame anti-shake stoppers, adoption of premium and material, sturdy and practical, not easy to break and damage, with other operation tools to meet your needs. Designed to prevent shaking and reduce friction, protect the wall and bed frame. Perfect for sofa, cabinet, bed and other furniture, great for home use. Features -Color: Black. -Material: Metal. -Size: About 7.00X3.80X3.80cm/2.75X1.49X1.49inch. -Adjustable range: 67mm-87mm. -Made of for use, sturdy and practical, will not easy to deform. -This adjustable threaded anti-shake bed frame tool can be used in adjust the length at will. -Suitable for furniture with shaking frames, such as objects against the wall like beds, cabinets, chairs and sofas. -Easy to install and use, protect the wall and provide you a good and peace sleeping. -Designed to reduce noise and protect the wall and bed frame from shaking damage. Package list: 1 Pair x bedside stabilizer (with gasket and sticker)