250Pcs Solder Seal Wire Connectors, Heat Shrink Butt Connector Waterproof Insulated Electrical Butt Terminals 6032117889098

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Diameter: 2.7 mm, cable -section 0.5-1.5 mm²(22-18AWG) Shrink ratio 2:1 Transparent sleeve makes it easy to see if you have good overlap...