Square Arcade pushbutton with plane plunger as used in Guitar Freaks by Konami. Manufactured in Japan and equipped with short, non-clicking microswitch (SW-68). Mounting whole: 20 mm x 20 mm (0.787 inch x 0.787 inch), snap-in action (no thread, no screwing). Side length: 28 mm (1.102 inch), installation depth: ca. 31 mm (1.22 inch), breadth of the microswitch terminals: 2.8 mm (0.110 inch). Can be mounted in material with a thickness from 2 to 4 mm (0.08 - 0.16 inch). Enclosed are: button and Sanwa microswitch.