AVOID WIRING ERRORThe wire connectors nut comes with blue and orange colored, which could help you distinguish corresponding wires in the messy wire stack and effectively complete quick and exact wire connection instead of easily causing wiring mistakes comparing to normal single colored connetors TIME AND EFFORT SAVERTwo-way wire connectors nut, which is designed to be compact and pratical, can connect multiple sets of wires in a very short time instead of taking much effort soldering and wrapping wires in electrical tape. It would save tons of time and effort for folks who have been constantly doing electrical projects with wires SAFER ALTERNATIVESUnlike traditional screw and twist type wire connectors nuts, our slpicing wire connectors provide superior mechanical connections among stranded and solid wires with the cross section from 28-12AWG. The strong connectors help secure wires really tight without loosing and wires can be removed or reconnected due to the reusability UNIVERSAL COMPATIBILITYThese connectors are used for joining braided and solid wires in different sizes from 28-12AWG. They work with most gauges of normal household electrical equipments like ceiling fans, sockets, switches, cars, ships, loudspeakers, lamps, electrical boxes, light switches, fan controls.. EASY OPERATIONLift the connectors - Insert stripped wires in place - Simply close the connectors. BANG... YOU GET THE JOB DONE!