ParametersEach electric welding wire diameter is 0.8mm, gross weight 12g, flux content 2%, melting point: 227 Welding wireWire lead-free solder with rosin core, with high purity and low melting point, good electrical and thermal conductivity, strong and durable. Perfect Soldering AbilityLow melting point, flux fluid, uniform and solid solder points, can reduce thermal shock to components during soldering, improve production efficiency. Portable Tin soldering plastic tube can protect welding from dirt and moisture, small size and light weight, easy to carry anywhere. Application Welding with less spatter, less smoke and corrosion, easy to clean. Ideal for electrical repairs such as TVs, VCRs, wires, motors, circuit boards or other electronic devices. Product Name: Solder Wire Parameter Alloy: Sn99.3Cu0.7 Diameter: 0.8mm/0.031inch Weight: 8g/0.423oz Melting Point: 227 Rosin Content: 2% Package Content: 3 Solder Wires Features: Solder Wire solder with rosin core, good quality soldering performance to increase soldering efficiency and quality. Lower melting point, nice flux and even solder points. Welding with less spatter, less smoke, insulation resistance, environmentally friendly, easy to clean. Portable tin solder wire tube, lightweight and easy to carry . Ideal for maintaining and repairing connectors, restoring free electrical flow. Hints: Please confirm whether our product size is what you need before purchasing. Please allow some error in manual measurement.