2/5/10 pieces 6.35mm solder-free plug mono male connector 6.5 audio engineering adapter solder-free wire terminal
https://www.vogueparade.com/shopping/EN/5/1/1005003366082402/2510-pieces-635mm-solder-free-plug-mono-male-connector-65-audio-engineering-adapter-solder-free-wire-terminal//