20 Pcs 5x4x1.6mm 4-Pin Momentary Push Button Mini SMD SMT Tactile Tact Switch Product Name : Tact Switch;Acuion Type : Momentary Body Size : 5 x 4 x 1.6mm / 0." x 0.16" x 0.06"(L*W*T);Material : Plastic, Metal, Electric Parts Color : Black, Silver Tone Net Weight : 2g Package Content : 20 x Tact Switches