LA118Bseries button is made up of three parts of operation head, middle stalland contact terminal, which adopts the international vulgate self-lock linking without fasteners, which is safe, reliable, easy to dismantle. It whose metal operation head is solid and safe, whosw shape is so beautifulis specially designed for industrial application,with felxible and solid structure, and the high cost performance. The contact point is commonly six pair, but customers also can choose the contact point combination depedning on customers' demands. There are complete varieties and specifications such as reset button,self-lock button, shine button, mushroom button, knob, key button, rapid stop button,etc.