Material: metal+plastic colour: as shown Package Contents: 1 x Pass Through RJ45 Crimper Tool 1 x Network Cable Tester 50 x RJ45 CAT6 Pass Through Connectors 1 x Wire Stripper 1 x Wire Cutter plier Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Crimp 8-position modular connector-RJ45 connector passes; trim flush to the connector end to avoid accidental contact between wires Wire stripper, crimping device and cutting machine are tools for matching conductor data lines. Cable tester and replaceable blade-network cable tester, used with RJ45/RJ11/RJ12 connectors (9V battery not included), to maintain the sharpness of the shaver, and the textured handle to reduce hand fatigue and prevent cutting, Slip during peeling and curling Modular crimp connector installation tool for voice and data applications via 50 RJ45 connector plugs