20pcs 1/0 Gauge Wire Ferrule Amplifier Oversized 0 AWG Wire Amp Ferrule Pwr Gnd. 20pcs 4 Gauge Wire Ferrule Amplifier Power Ground 4 AWG Tin Copper Amp Ferrules. 100 PCS Heat Shrink Butt Connectors Waterproof Electrical Wire Marine Splice.
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