RJ45 Cat5/Cat6/Cat6a connectors not only let you make internet cables in custom lengths without breaking the bank.in addition, but also works effectively with every model of pass-through crimper tool and 23awg cable. Pass-through design simplifies terminations - as wires are inserted through the connector and out the other side, making sequence verification easier.in addition, as the pass-thru design, the twists in each pair can be pulled closer to the contacts than conventional plugs. Enhances signal integrity and clarity by reducing the distance between wire twists and contacts. 15u gold plated 8p8c 3 prong makes the contact attach to the core closer and the data flow stable. Environmentally Materials --These rj45 cat5 cat6 Cat6a connectors are made of environmentally friendly materials, ensuring reliability and quality assurance. Package included -100 pieces rj45 Cat5/Cta6/Cat6a pass through rj45 connector Outside Dianeter: 1.1±0.02mm Condutor OD: max 0.512mm Wire OD: 24-28AWG Speed: 1000Mbps Bandwidth: 100Mhz