200/100/50 pieces waterproof heat shrink seal connector heat shrink butt connector ring terminal electrical wire car insulated station

Waterproof 100% - IP67 standard No wrinkling required, for 16-14 AWG wires Developed materials, resistant to overheating One-step wire connection, protection from mechanical damage Order now the heat-shrink butt connectors for sealing welding and be prepared for your new electrical projects!