Features: Low solids content for practically no residue. Flux flows smoothly for consistently secure and uniform solder connections with no mess. Rosin residue is non-corrosive, non-conductive, moisture resistant, and fungus resistant. For reworking and touching-up SMT, SMD, PCB and through hole solder joints. Superior fluxing ability, improves soldering performance. Specifications: Material: PE Model: 951 Length: Approx. 13cm / 5.12inch Weight: Approx. 20g Package included: 1 x Flux Pen Note: 1. If touching skin, please wash it timely to avoid to cause the skin irritation. 2. Don't eat it. 3. Please put it on the location, where the children cannot get it. 4. Only flux pens, no other stuff included. 1、Low solids content for practically no residue 2、Flux flows smoothly for consistently secure and uniform solder connections with no mess 3、For reworking and touching-up SMT, SMD, PCB and through hole solder joints 4、Rosin residue is non-corrosive, non-conductive, moisture resistant, and fungus resistant 5、Superior fluxing ability, improves soldering performance