Solder Sleeves Polyolefin heat shrink butt connectors enhance Pullout Strength. High-quality wire connectors in Sealing, Strain Relief, Cable Checking and Insulation. Shrink Ratio 3: 1. 50/ 100/160/ 2 0 0 /240/250/340/350/400/500/800/1000 PCS Wire Connectors.
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