Superbat F 4 Hole Panel Mount Male with Extended Dielectric and Solder Post RF Coaxial Connector for Electronic Components. Product Series: F, Product Type: 4 Hole Panel Mount, Body Plating: Nickelplated, Connector Body Style: Straight, Connector Material: Brass, Contact Plating: Nickelplated, Gender: Male, Impedance: 50 Ohm.