Chemtronics 50-4-25 Soder-Wick Rosin De-Soldering Braid, 0.110", 25' Length: 25 ft width: 0.110; application: large pads color: blue flux type: rosin lead-free solder compatible: no length 1: 25' rohs compliance: yes size: #4 Chemtronics brand product 50-4-25 Series product