High quality product as used by BT engineers, made by Dexgreen. The wires do not need to be stripped as the IDC connection in the crimp does that for you. They are very simple to use, insert one wire in each hole and just squeeze down using pliers.
eBay
RCA Female To Female Jack Plug Connector Adapter Male To Male Connector Video Audio Extender Cord Cable Converter 1/2/5/10pcs
Aliexpress UK
Suitable for use with either 2 or 4 wire cables. High quality product not like the cheaper versions.
eBay
Connector Converter 7.4mm to 4.5mm Adapter Cable for HP Dell Smart Blue Tip for HP Adapter Replacement Connector Cable 1-10pcs
Aliexpress UK
The wires do not need to be stripped as the IDC connection in the crimp does that for you. High quality product as used by BT engineers, made by Dexgreen. They are very simple to use, insert one wire in each hole and just squeeze down using pliers.
eBay
D2 Cable Connector Quick Crimp Wire Terminals Double Wire Plug in Electrical Cable Connectors with Tool Suitable for 18-22AWG
Aliexpress UK
【Compact and Lightweight】: BT2.0 U Shaped Power Cables, compact, integrated structure shortens power cable length, reduces overall weight, and ensures a tidy fit for 1S. 【1.0mm Banana Connectors】: BT2.0 connector uses 1.0mm banana connectors with increased cross sectional area to significantly lower internal resistance.
eBay
AMPCOM CAT5e RJ45 Connector 8P8C Modular Ethernet Cable RJ 45 Ends Ethernet Cable Crimp Connectors UTP Network Plug
Aliexpress UK
The CWI8A & CWI8B will accommodate conductors from 0.4mm through to 0.9mm. This single wire connectors referred to as a discrete connectors can be used to splice 2 & 3 wires. Ideally suited for all types of cable splicing, requiring only simple tools and providing a small splice bundle.
eBay
Wire and Cable Snap-In Connectors 2 Pin Way Cable Plug Waterproof Car Electric Wire Snap Connectors Strip Terminal Connection
Aliexpress UK
5 Pieces of Clear BT 4 way plugs. These are clear, for easy wire insertion and identical to the white ones.
eBay
1 set M8 7-pin male and female connector cable waterproof cable 7-core signal transmission connector
Aliexpress UK
Suitable for use with either 2 or 4 wire cables. High quality product not like the cheaper versions.
eBay
57BA 30A 12AWG Connector Cable For Anderson Cord Adapter Electric Vehicles Connector
Aliexpress UK
Connectors Type : 6P2C US Male to UK BT Male cable. We'd like to settle any problem in a friendly manner. Because the unpaid dispute will not be closed automatically, and we may ignore it.
eBay
100W Type C to Universal Notebook Adapter Connecter Dc Jack Usb C Laptop Charging Cable Cord Laptop Charger 10pcs Connector
Aliexpress UK