200PCS Solder Seal Wire Connector Kit, Solder Seal Butt Terminal Waterproof Insulated Electrical Wire Splice for Automotive Marine Boat

Time Saver - solderless, crimpless, all you need is just a heat gun to finish the joint, much faster and easier than the old way.
Fit for Confined and Narrow Spaces - can be bent after connection and no need to crimp or solder in the confined area, just control the temperature via a heat gun.
Better Waterproof and Seal Performance - there is two hot melt waterproof adhesive rings in each butt connector, which help it hold up better to moisture.
High Temperature Proof in A Short Time: use exclusive material in the butt connectors to avoid shrink tubing melting before solder ring.
IATF16949:2016 Listed: The solder seal connectors meet the newest standard of International Automotive Task Force, which is the most standardized way for you to repair or modify your car.