50pcs Solder Seal Wire Connector Sopoby Solder Seal Heat Shrink Butt Connectors Terminals Copper(23Red 12Blue 10White 5Yellow)
https://www.vogueparade.com/shopping/EN/1440/1/1005002449270849/50pcs-solder-seal-wire-connector-sopoby-solder-seal-heat-shrink-butt-connectors-terminals-copper23red-12blue-10white-5yellow//