The 25-pack of IDEAL 85-367 CAT6 RJ-45 8P8C Modular Plugs support TIA/EIA standards for twisted pair cabling up to 250 MHz and up to 350 MHz for patch cord lengths. IDEAL modular plugs are designed to work seamlessly with the IDEAL Telemaster and FT-45 series of modular plug crimp tools. These plugs are designed and manufactured to support all 100 ohm cable wiring schemes including the widely used TIA-568A and TIA-568B configurations.