Lead-free solder widely used in plumbing applications where lead-bearing solders are prohibited.  Contains nickel, making joints tremendously strong. Highest strength lead-free, low-temperature silver-bearing soft solder especially developed to solder tight and large, loose-fitting or non-concentric copper and brass fittings. Bridgit has extraordinary ability to fill any connection and form excellent caps on fittings. Meets ASTM B32, Class HB.

Comes in 1 lb spools.