10 Pieces Heat Shrinkable Crimp&Solder Sleeves Butt Con.nectors Compatible With 0,1-0,5 mm² Cable; Transparent White; length:24 mm. Heat shrink tubing PVDF coat cable Con.nector with solder tin to soldering, Con.necting, Isolate and densities to about 150 ° degrees heating; Transparent White. 100% brand new and high quality An easy one step Con.nection of wires, soldered, insulated and sealed Can be ideal use in marine and automobile applications Polyolefin tubing in outside and hot melt adhesive in inside. Solder and seal and with advanced waterproof function Polyolefin heat shrink butt Con.nectors improved pullout strength, provides seal, strain relief, cable check, and insulation. You can visually check the Con.nection thanks to the transparent shrink tubing. Inserting both stripped cable ends so that they meet in the middle where the solder ring is in the item. The solder melts at 100-110 ° (lighter, hot gun or similar.). The shrink sleeve narrows and the solder melts and you have a waterproof flexible very stable compound. Note: In case of overheating the item can be destroyed. Watch the video: https://www.youtube.com/watch?v=-OLDF0eJhdE#t=17