Terminal Cables - Adapter Cable, RJ11/RJ45

I'm having trouble getting RJ45 connectors onto this larger gauge Ethernet. Any advice? : r/HomeNetworking

K1 K2 K3 Connector Crimp Connection Terminals Waterproof - Temu

China Factory wholesale Rj11 Rj45 - 2A-6A 1.25mm XH Terminal Connector Wire To Board Wafer Connector – Weinuoer Manufacturer and Supplier

RJ45 to RJ11 Adapter,Ethernet to Phone Line Adapter, Phone Line to Ethernet Adapter RJ45 8P8C Female to RJ11 6P4C Male Converter Adapter Cable

Customized 6P6C RJ12 To 8P6C RJ45 Cable Suppliers & Manufacturers & Factory - STARTE

RJ11 Cable Connector - Panel Mounted, UTP, MISUMI

10pcs/lot RJ45 Ethernet Male To 8 Pin AV Terminal Screw Adapter Converter Block Plug cable for CCTV camera - In1mall

6 inch RJ45 Female Socket to 8-Pin Terminal Adapter Cable

Registered jack - Wikipedia

K1 K2 K3 Connector Wire Splice Connector Rj45 Rj11 Wiring - Temu

Zerone RJ11 Screw Terminal Adaptor, EIA/TIA 568B Wiring Standard, Shields Outside Electromagnetic Signal Interference, Compatible with Modem, 1 Pack : Electronics

RJ11 6P4C Modular Plugs 25 pk