Amazon.com: EG Starts 12x 24mm OEM Arcade Push Buttons Switch Perfect Replace for Sanwa OBSF-24 OBSC-24 OBSN-24 Push Button DIY Fighting Stick PC Joystick Game Part (Each Color of 2 Pieces) :
free shipping 50pcs American 28mm button arcade button for coin operated amusement machine wholesale - AliExpress
Amazon.com: Sanwa 12 pcs OBSF-30 Original Push Button 30mm - for Arcade Jamma Video Game & Arcade Joystick Games Console (Color) - (Each Color of 2 Pcs) Use for Arcade Game Machine