EasyBraid S3030R-O-T, Solder Sponge, Round, Center-Hole, 3", 10/PackageEasyBraid S3030R O T, Solder Sponge, Round, Center Hole, 3", 10 Package Used in the rework and repair of printed circuit boards, computers, cell phones, or other electronics Solder sponge or soaker removes oxides and excess solders from soldering iron tips Provides extended tip life and precise soldering Manufactured with natural materials, compressed cellulose Expanded sponge is 5 8" thick Custom die cut sponges available