Includes all of the housings, crimp ends and keys used on the Bally AS-2518-23 or Stern LDA 100 Lamp Driver Module. Most games do not use all 96 pins so you'll have plenty extras. 6MDM uses 74 for example. When you have corroded header pins, chances are your housing pins are corroded too. If you've sanded the pins, that's a temporary solution and you need to replace your header pins. IDC (push in type) connectors are less reliable than these crimp type.