Wago 32A Grey 4mm 3-way Lever Connector 222-413 · Quickbit
FVDGM2.5 | JST, FVDGM Insulated Male Crimp Bullet Connector, 1mm² to 2.6mm², 16AWG to 14AWG, 4mm Bullet diameter, Blue | RS
Art Deco Emporium | Nylon Closed-End Cap Insulation Wire Connector 4mm 300Volts 10Pk
U Type Wire Terminal, Rustproof Fork Spade Wire Connectors Pure Copper 5 Color 4mm Jack 10PCS for Multimeters Electronic Applications : Amazon.co.uk: Business, Industry & Science