65 PCS Horloy Solder Seal Wire Connectors Heat Shrink Butt Connectors Electrical Waterproof Insulated Wire Terminals Marine Automotive Butt Connectors with Case

This product has shrink tubinh in clear so you can see the bond. A hot air or catalitic heat source is advised. I tried both and a lighter. All worked good. You have to be cautious not to burn yhe tubing. The solder joint on the wires worked well. I foend it better to strip long and wiggle them in so they overlap each other. Nice clean joint.

I love this! Best connectors you can find. Good price and a great kit. Very easy to use. Fast delivery as well.

These little buggers are great. I screwed up the first one, note: don't crimp the solder part. It all shrinks down real nice, the solder part takes longer and more heat than you might expect but eventually you'll see it bond to your wires.

I didn't like these as much as I'd hoped I would. When you get them hot enough to melt the solder, you also over-soften everything else and, in my opinion, it makes for a less than attractive wiring job. I think I'll stick to just solder and heatshrink the 'old fashioned' way.

Easy to use and a great to have when working on wiring.

These shrink just fine, and the sealant on the end is good, but the solder doesn't want to melt until the jacket is scorching. The smallest ones probably work fine, the 16 gauge (red) is just enough to melt. The yellow (12 gauge) I could not get to melt onto the wire even while the jacket was scorching and burning. I would not buy these again.

Works as described

Very good quality work as described just need little practice using this, all recommend this product