5.5mm x 2.1mm DC Female Screw Terminal Connector CCTV Jack Socket Powe — LoopsDirect
3.5mm Male to Screw Terminal Connector, Ancable 2-Pack 1/8 Inch TRS Stereo Male Plug to 3-Pole Soldless Screw Block for AUX Cable, Speaker and Headphone Wire: Amazon.co.uk: Electronics & Photo
OIIKI 10 Sets 2-Pin 5.08mm Pitch Mount Screw Terminal Block, Straight Plug-in 2-Pin (2 Pole) Screw Terminal Block Connector, Pluggable Male Female Connectors- Green : Amazon.co.uk: DIY & Tools