The MC8533-6201 is a 8P8C RJ45 CAT-6E STP Coupler with nickel plated zinc alloy flange frame, high impact flame retardant plastic housing and nickel plated copper alloy shield. This adaptor comes with two #4-40 UNC screws and meets ISO/IEC 11801, CENELEC EN 50173 and IEC 60603-7 standards.