306-022-500-108 Standard Card Edge Connectors 306 Series (.156" (3.96mm) contact spacing) Card Edge Connector with 22 Wire Hole type contacts. The tails are .087" x .015" (2.21mm x 0.38mm) thick and .282" (7.16mm) long in a Single Central Row formation. The Insulator is Green in color with #4-40