455 PCS Heat Shrink Self Soldering Butt Connector, Solder Seal Wire Connectors Kit, Waterproof Wire Solder Stick Splice Connector for Marine Electrical Automotive (5 Colors/5 Sizes/ 26-10 Gauge)

Great way to connect wires - much simpler to use and they work well. Don’t have to use electrical tape to cover up with the heat shrink feature

The AKOSN 455 PCS Heat Shrink Self Soldering Butt Connectors are like the leatherman knife of electrical connections—except they don’t come with a corkscrew (sorry, wine lovers). These connectors are a dream for anyone who’s tired of fumbling with wires and wants a quick, reliable solution. With self-soldering technology, they practically do the hard work for you—just add heat and watch the magic happen. Pros: - Ease of Use: No need to channel your inner electrician—these connectors make wiring as simple as a microwave dinner. - Waterproof Design: Perfect for marine, automotive, or any project where water likes to crash the party. - Variety: With 455 pieces in five sizes, you’ll have enough connectors to wire up a spaceship (or at least your garage). - Durability: The heat shrink tubing ensures a snug fit and protects against wear and tear, so your connections stay strong. Cons: - Heat Gun Required: You’ll need a heat gun or similar tool to activate the solder, so don’t try using your hairdryer unless you’re feeling adventurous. - Learning Curve: If you’re new to self-soldering connectors, it might take a few tries to get the hang of it—but hey, practice makes perfect! Overall, these connectors are a game-changer for anyone tackling wiring projects. They’re efficient, reliable, and just a little bit magical. Highly recommended for DIYers and pros alike!

You know I buy a lot of things online but these are one of the best things I've ever bought they work great they're worth the money they look awesome there's 30 I would definitely buy these again it's not a gimmick they really do work

I’ve been doing a bunch of rewiring lately and these solder-seal butt connectors have been great so far. They make quick, consistent splices without breaking out the soldering iron, just prep the wires, overlap/twist the splice, slide the connector over it, then hit it with a heat gun. The solder ring flows nicely and the tubing shrinks down tight, with the adhesive rings sealing the ends so the connection feels solid and protected from moisture. The kit is also a nice value: 455 pieces in multiple, color-coded sizes that cover a wide range of wire gauges (26–10 AWG), so I’m not constantly running out of the size I need mid-project. I’ve been pairing these for splices with U-shape copper crimp terminals for terminations, and that combo has worked really well for clean, reliable wiring jobs. Overall, a very handy kit to keep in the toolbox.

Good for someone like me, who's not that experienced at soldering. They are pretty well made, (thou could use a bit more solder inside!) Product is a good price & decent value, if you take the time to practice a little! These work good, EASY to use, ONCE you get the hang of it! Just don't over or under heat them, practice makes perfect! lol A lot better than regular solder in tight places imho I would recommend these, & will purchase again.

If you want affordable options these are definitely the ones. I have made several repairs with these and they are holding up nicely. They work great with torch lighters and heat guns. There’s even sealant in them .

Works great

Whoever came up with these, butt connectors is a genius! When I have to crimp but connectors, I always don’t cry hard enough or I crimp too hard and break the plastic coding. This is so perfect for me. It’s kind of idiot proof you put the but connector over the wire you twist the wires together. You move it in place you use a heat gun and heat it up the colors brighten when it’s shrunk perfectly I love that they’re solder inside so you don’t have to worry about the wires coming apart. It really makes it idiot proof! I love that it’s waterproof. It was so easy to use. It really does save time. It was so much easier to use than the butt connectors. I would definitely recommend this for everybody why waste money on the old-fashioned butt connectors when you have these amazing butt connectors.

I previously bought a smaller assortment of these and ended up running out of the smaller sizes, so I picked up this pack because it includes many more pieces at a great price. The quality is just as good as the ones I had before; solid materials and they perform exactly as expected. I especially like these for making strong, reliable connections between two cables. Once shrunk, they hold very well and create a waterproof seal without needing to add extra heat shrink, adhesive, or sealant. That saves time and makes the finished connection much cleaner. Overall, these are reliable, good-quality connectors at a fair price, and I would definitely recommend them.

Perfect!

They do what you expect, for a fraction of the cost from a local store. Unbelievable deal. I was buying 15-20 of these for the same price as a full kit here. No issues.

These are great! Makes wiring a breeze! Super easy to use and work well! Game changer for soldering wiring!! Don’t second guess these! Buy them!

They work as described