50/100X Solder Seal Sleeve Heat Shrink Butt Wire Connectors Terminals Waterproof

【EASY OPERATION】 - The wires can be tightly secured and connected with a heat gun.The red butt connector should be used for 22-18 AWG;The blue butt connector should be used for 16-12 AWG. 50/100 Solder Heat Shrink Sleeve(For Your choice ).

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