20 Pcs 4mm x 3mm 2 Pins Momentary SMD SMT Tactile Tact Push Button Switch Product Name : Tact Switch;Acuion 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 : 20 x Tact Switches