EDAC 356-018-521-102 356 Series (.156" (3.96mm) contact spacing) Card Edge Connector with 18 P.C Tail type contacts. The tails are .037" x .015" (0.94mm x 0.38mm) and .125" (3.18mm) long in a Single Central Row formation. The Insulator is Black in color with Ø.128" (Ø3.25mm)