EDAC 396-056-520-202 396 Series (.125" (3.18mm) contact spacing) Card Edge Connector with 56 P.C Tail type contacts. The tails are .025"Sq' (0.64mm Sq') and .175" (4.45mm) long in a Double Row formation. The Insulator is Green in color and has Flush Mounting Lugs with Ø.128"