Quick Splice 2.8/4.8/6.3mm Male Female Wire Spade Connector Wire Crimp Terminal Block Insulating Sleeve Assortment Kit
https://www.vogueparade.com/shopping/EN/4003/1/1005002797300921/quick-splice-284863mm-male-female-wire-spade-connector-wire-crimp-terminal-block-insulating-sleeve-assortment-kit//