● Polyolefin heat shrink butt connectors enhance Pullout Strength. 20PCS Solder Seal Wire Connector Kit. 100PCS Red Heat Shrink Butt Connectors: Cable cross-section 0.5-1.5 mm² (A.W.G.:22-16);. 90PCS Blue Heat Shrink Butt Connectors: Cable cross-section 1.5-2.5 mm² (A.W.G.:16-14);.
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