Sumitomo Heat Shrink Tube

Here is some info of your shrink tubing

SUMITUBE™ B2 (3X)
CatalogNo.826
[High shrink ratio flame-retarded heat-shrinkable tubing]
UL/CSA recognized
■ High shrink ratio
■ UL/CSA recognized
■ Flame-retarded (PBDE/PBB-free)
■ Bright colors

inside diameter is 6mm