Shrink tubing is required to seal and protect solder joints. These contract when exposed to heat and seal the solder joint. Our 10M shrink tubing boxes from QSP Products in various sizes are just the right thing to always have the shrink tubing you need at hand. We have the sizes 3,2 - 1,1 mm to 25,4 - 8,5 mm in practical boxes and the corresponding practical holders.
