Uxcell 4mm x 3mm 2 Pins SMD SMT Ultrathin Momentary Push Button Tactile Switch (30 Piece) Product name : tact switch; action Type : Momentary Switch size : 4 x 3Mm/0.16" x 0.1"(L*w); material : plastic, metal, electric parts Color : Black, Silver tone Weight : 2G Package Content : 30 x tact switches