Product Description:Made of high-quality plastic, with flexural resistance and good elasticity, this button-type holder will not break or break easily during use.The plastic black ball socket construction has been rigorously tested to provide reliable fixation, folding resistance and excellent elasticity, ensuring that it is not easily damaged over a long period of use.The installation process is very simple, just insert the female buckle and sub-buckle into the pre-drilled holes on the box, no additional tools are required, saving time and effort.Speaker grill guide has folding resistance, is the first choice for DIY audio accessories, sufficient number of use, easy installation.Versatile, suitable for bookshelves, boxes and other relatively small speakers, as well as other objects that need to be fixed on both sides to ensure stability.Product name: Black Plastic Ball SocketMaterial: PlasticProduct color: BlackProduct weight: 20 grams 12 setsProduct size: 21*11mm/0.8*0.4inchProducts included: 12 Sets of Black Plastic Ball SocketsWarm reminder:Manual measurement, the size is slightly wrong.There may be slight differences in color due to different screen displays.