SODIAL(R) 10 Pcs 4 Pins Tactile Round Push Button Switch Momentary Tact Product Name: Tact Switch Contact Type: Momentary Contact Dimension: 6 x 6 x 7mm / 0.24" x 0.24" x 0.28" (L*W*H); Button Dia.: 3mm / 0.12" Pin Pitch: 6.5 x 4.5mm / 0.26" x 0.18" (L*W) Pin Length: 4.5mm / 0.18"