RJ45 Shield plug for CAT5/CAT6/CAT7, cable outer diameter from 6.0 mm to 7.0 mm.. Supports 24-28 AWG round or flat stranded wires with an outer diameter of 7.0 mm.. Surface with nickel plated shell, 360 degree full shielded protection.. Each connector has a load bar, which is most suitable for installation through conductors.. Phosphor Bronze 15U gold plated contact.