TE Connectivity Blue PVDF Solder Sleeve 37.7mm Length Maximum of 4.5mm Cable Diameter

These sealed sleeves enable several wires to be soldered together, for applications where a high degree of reliability is essential.
Recommended for locations that would be difficult to access later.
They feature a heat-fusion adhesive insert to ensure the splice is sealed.
Easy to use: simply place the wires in the SolderGrip using a twisting movement to lock them in position and heat the assembly with a hot air source to complete the soldering process.