Jackplate for Edge Mount - Football shaped, Black, with screws. Jack hole diameter is 3/8 Inch (9.5mm). The mounting screw holes spacing - 1-7/16 Inch (36.5mm). ÌÎÌ_ÌÎ_ÌÎå«Ì´Ìà ÌÎÌ_ÌÎ__The jack plate has a slight curveÌÎÌ_ÌÎ_ÌÎå«Ì´Ìà ÌÎÌ_ÌÎ__to match the body's curved sides.