50-1000PCS Solder Stick Waterproof Seal Sleeve Heat Shrink Butt Wire Connectors

20/50/100/200/250/350/500pcs Waterproof Solder Seal Sleeves Heat Shrink Butt Wire Connectors. Polyolefin heat shrink butt connectors improved pullout strength, provides seal, strain relief, cable check, and insulation.

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