1 pack - Solder wire diameter is 0.8 mm. Lead-free solder with flux core. Perfect for maintenance and repairs of connectors, restoring free electrical flow. High-quality lead-free solder that creates a virtually permanent conductive seal. Good solderability, insulation resistance, splash-free, and non-corrosive. Product Description: Lead-free solder with flux core for electrical soldering 0.8 mm - 1 pack 1 pack - Solder wire diameter is 0.8 mm. Lead-free solder with flux core. Perfect for maintenance and repairs of connectors, restoring free electrical flow. High-quality lead-free solder that creates a virtually permanent conductive seal. Good solderability, insulation resistance, splash-free, and non-corrosive. Size/Specification: Tin wire (length 86mm, diameter 0.8mm). Spool (length 96 mm, diameter 16 mm). (This length data is the unstretched length data for the tin wire; the actual length is subject to the actual product). Weight: 18g (approx. 10g tin wire, approx. 8g spool) Packaging: tube Usage: It is suitable for welding electrical and electronic products, household appliances, automotive electronics, and industrial electrical products. LRFR strives to provide every customer with the best possible customer service.