SolderWeld SW-HB1 Hot Block - Reusable Heat Absorption Putty, 1 lb Tub Drill Tap over the lifetime of the

over the lifetime of the blade

0 or later)

Backlit LCD for ease of viewing in low light

These tips fit Uniweld 71 and WH550 welding handles

SolderWeld SW-HB1 Hot Block - Reusable Heat Absorption Putty, 1 lb Tub Drill Tap over the lifetime of theSolderWeld SW HB1 Hot Block Reusable Heat Absorption Putty, 1 lb Tub Hot Block was developed to completely stop the transfer of Heat up to 3000 degrees Fahrenheit. Very effective when brazing on copper or brass and works as a heat shield when protecting valves and fittings. Hot Block is 100% reusable for life and if ever dries up, just add a little water and it recharges to new again. Blocks direct and conductive heat transfer on all types of surfaces