307 Series (.156" (3.96mm) contact spacing) Card Edge Connector with 35 P.C Tail type contacts with gold plating on the contact area. The tails are .046" x .014" (1.17mm x 0.36mm) thick and .213" (5.41mm) long in a Single Row formation, reading both sides of the daughter board. The Insulator is Green in color with In-Line Card Guides.