Specification Brand : R RADIOSHACK BulletPoint1 : Lead-free Sn 99%, Cu 0.7% formula for electronics. BulletPoint2 : Rosin activated flux for stronger joints. BulletPoint3 : 0.062" diameter. BulletPoint4 : 3.0 oz spool. BulletPoint5 : RadioShack Catalog №: 6400220 (64-220) ExternallyAssignedProductIdentifier1 : 0700254127453 ExternallyAssignedProductIdentifier2 : 700254127453 ItemName : RadioShack SnCu 99.3/0.7 Lead-Free Solder, 0.062" Diameter - 3.0 oz. Spool ItemPackageDimensions_Height : 4.064 centimeters ItemPackageDimensions_Length : 1.524 centimeters ItemPackageDimensions_Width : 3.556 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : solder Manufacturer : RadioShack Material : Sn 99%, Cu 0.7% ModelNumber : 6400220 PartNumber : 6400220 ProductDescription : This lead-free rosin core solder is great for soldering electrical components, wiring and metals like copper and tin. Lead-free composition makes it safer to use and more environmentally-friendly. The high activity flux creates more reliable soldering and leaves bright shiny solder joints after reflow.