【Practical Set】Package includes 8 sets of headboard stoppers, single size: 4.7 x 4 x 4 cm. 【High Quality】These adjustable headboard threaded frames are made of metal and EVA material. The thickened material can protect the wall from damage and also reduce the noise caused by the unstable structure of the bed or other furniture. 【Adjustable Threaded Frame】The bed stabilization frame can be adjusted freely, and the number of adjustment screw can be 47-64mm (1 screw). 【Effectively Prevent】Our adjustable telescopic anti-shake tool can effectively reduce the noise caused by unstable bed structure and effectively prevent swinging. A good sound insulation effect and effectively protects the wall from damage. 【Easy installation】Adjust the length of the headboard stabilization stopper according to your needs. The side of the box spring bed with double-sided adhesive tape is glued to the headboard of the bed until it rests against the wall. No complicated operation, easy furniture fixing.