The circuit works no clean flux dispensing pen meets all of the technicians needs for electronics rework and prototyping - repairing, cleaning, protecting, lubricating, bonding, and restoring electrical conductivity to circuit boards and components. Chisel tip marker provides exact delivery of flux to surface. Features applies a patented noncorrosive, halide free, organic no-clean flux flux meets bellcore tr-n-nwt-000078 and IPC sf-818 for surface insulation resistance flux meets ANSI/IPC j-std-004, Type Rol0 chisel tip marker provides exact delivery of flux to surface., country of origin - United States, manufacturer name - itw chemtronics.