Specification Brand : uxcell BulletPoint1 : Material: Alloy, mainly made of copper, iron, nickel, chromium, tin (Lead-free). BulletPoint2 : Total Length: 65 mm / 2.56 inch; Shank Diameter: 3.6mm; Tip Width: 2.3mm; Fit for Power: 30W. 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. Color : Black CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 037103192103 ExternallyAssignedProductIdentifier2 : 0037103192103 ExternallyAssignedProductIdentifier3 : 00037103192103 IncludedComponents : Socket Wrench ItemName : uxcell 68mm Lead-free Soldering Iron Tip Replacement 3.8mm Width Solder Tip Welding Equipment for Soldering Silver 40W 3pcs ItemPackageDimensions_Height : 0.39 inches ItemPackageDimensions_Length : 4.72 inches ItemPackageDimensions_Width : 3.94 inches ItemPackageQuantity : 1 ItemTypeKeyword : soldering-iron-tips Manufacturer : uxcell Material : Alloy ModelName : NTB ModelNumber : a20032000ux0021 NumberOfItems : 1 PartNumber : a20032000ux0021 ProductDescription : Specifications: Tip Shape: Conical-Rectangular Tip Heating Style: Outer HeatingMaterial: Alloy, mainly made of copper, iron, nickel, chromium, tin (Lead-free) Tip Width: 3.8mm 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.