SRA Tip Tinner is a compressed tablet that contains a mixture Lead Free Solder and oxide reducing compunds in a metal container with an easy to remove lid. It has a self adhesive pad on the underside to allow it to be affixed on, or near the work station. SRA's TT-21G Tip Tinner provides fast, efficient cleaning and re-tinning of blackened and highly oxidized soldering iron tips, safely and efficiently.Remaining residue after tinning can be readily removed by wiping with a wet sponge.