Easy to use: The UTP Cat6 trapezoidal jack of this exemption tool is used for the mother head RJ45 connector used by the network; just insert the core after the color encoding, and then press the transparent cover. Note: It is not compatible with the wiring board High performance: complies with ANSI/TIA/EIA 568-C.2 standards and supports POE's 6 types of performance. Compatible with 23 to 26 AWG solid and twisted copper conductor. High durability: use 50 μl of gold -plated joints and all -copper conductors to prevent long -term corrosion; use dust shutter to ensure signal transmission. Uses: The jack is suitable for various surface installation boxes or wall boards (panels). It is very versatile and can be installed on the same board as different types of trapezoidal gems. Material: plastic colour: White Package Contents: 40 x RJ45 Keystone Jack 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.