Panel and Enclosure Standoffs and Spacers: Type - Male/Female Threaded Standoff; Shape - Hex; Length - Spacer - 0.590" (15.00 mm); Spacer Diameter - 0.196" (5.00 mm); Material - Brass; Color-Finish - Nickel Plate; End A - Female M3; End B - Male M3; Length - Female Thread - 0.314" (8.00 mm); Length - Male Thread - 0.314" (8.00 mm); Material Specification - ASTM-B16