Vericom White CAT5E RJ45 Keystone Jacks Are Snap-In Inserts For Mounting A CAT5E Unshielded Computer Networking Cable. Our CAT5E RJ45 Keystone Inserts Are Compatible With A Number Of Other Manufacturers' Plates. All Of Our Structured Wiring Products Adhere to The Ansi/Tia/Eia-568-B Specifications (Commercial Building Telecommunications Cabling Standard) and Are Easy to Punch Down, Clearly Labeled and Have A/B Functionality.