Adafruit Solder Spool - 1/4 lb SAC305 RoHS lead-free / 0.031" rosin-core

This 1/4 lb (about 110 gram) spool of solder offers just the right amount for all your soldering needs without excessive leftovers or shortages. Its 0.031" diameter is ideal for precision work, adhering to the industry-standard RoHS lead-free SAC305 formulation.The solder contains a 'no clean' rosin core, excellent for through-hole soldering and some larger SMT tasks, especially when used with desoldering wick. Composed of Sn 96.5%, Ag 3.0%, Cu 0.5%, it serves as a reliable lead-free alternative to the classic 60/40 solder.