Specification Brand : uxcell BulletPoint1 : Material: Alloy, mainly made of copper, iron, nickel, chromium, tin (Lead-free). BulletPoint2 : Total Length: 68 mm / 2.68 inch; Shank Diameter: 4.5mm; Fit for Power: 40W. BulletPoint3 : Heat quickly, good ability to hang tin, not easily oxidized. BulletPoint4 : Lead-free soldering iron tips can bear higher temperature than those normal tips.Perfectly for soldering tips on lead-free. BulletPoint5 : Tips: Please pay attention to the outer diameter to avoid mismatching. ExternallyAssignedProductIdentifier1 : 0791809000635 ExternallyAssignedProductIdentifier2 : 791809000635 FinishType : Finish IncludedComponents : inc ItemName : uxcell 4.5mm x 68mm Lead-free Soldering Iron Tip Replacement Solder Conical Tip 40W Black 2pcs ItemPackageDimensions_Height : 12.1 centimeters ItemPackageDimensions_Length : 1.7 centimeters ItemPackageDimensions_Width : 9.5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : soldering-iron-tips Manufacturer : uxcell Material : Alloy ModelNumber : a19123000ux0333 NumberOfItems : 5 PartNumber : a19123000ux0333 PowerSourceType : Corded Electric ProductDescription : Specifications: Tip Shape: Conical-Round Tip Heating Style: Outer HeatingMaterial: Alloy, mainly made of copper, iron, nickel, chromium, tin (Lead-free) Tip Length: 12mm Shank Diameter: 4.5mmTotal Length: 68mm Fit for Power: 40W Features: Lead-free soldering iron tips can bear higher temperature than those normal tips. Perfectly for soldering tips on lead-free. Heat quickly, good ability to hang tin, not easily oxidized. Wires-free soldering iron tips are better for the environment. Tips: Please pay attention to the outer diameter to avoid mismatching.