Features: Improve the quality of your sleep: If you think that a Moving bed would not affect your sleep, you might want to think again In fact, without proper-support, squeak of the bed while you are trying to sleep We made it Wall protection: EVA cushion effectively reduces noise and protecting your wall from damage, Prevent the head of the bed from becoming wobblys. Easy to install: Our threaded glides screw into place and can transform your bed frame in minutes, Make your bed more stable. Usage Scenarios This Adjustables Threaded Bed Frame anti-shake tool can be used in many places, as long as the center of gravitys is unstable or easy to shake the objects can be used.Such as bed, cabinet, chair, sofa and other objects used against the wall. Using Methods: Measure the distance between your shaking furniture and the wall, then choose the right size Adjustables Threaded Bed Frame anti-shake tool to hold it in place. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Size: Small: 33-40mm, Medium: 47-64mm, Large: 67-87mm, Extra Large: 84-110mm Package List: 4PCS Adjustables Threaded Bed Frame