EDAC 341-050-520-201 341 Series (.100" (2.54mm) contact spacing) Card Edge Connector with 50 P.C Tail type contacts. The tails are .025" x .013" (0.64mm x 0.33mm) thick and .125" (3.18mm) long in a Double Row formation. The Insulator is Green in color with No Mounting Lugs.