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: 4mm; 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. Color : Round ExternallyAssignedProductIdentifier : 7551860641467 FinishType : Finish IncludedComponents : inc ItemDisplayDimensions_Height : 2.56 centimeters ItemDisplayDimensions_Length : 5.31 centimeters ItemDisplayDimensions_Width : 4.33 centimeters ItemName : uxcell 68mm Lead-free Soldering Iron Tips Replacement 4mm Width Solder Tip 40W Black 2pcs ItemPackageDimensions_Height : 14.7 centimeters ItemPackageDimensions_Length : 1.2 centimeters ItemPackageDimensions_Width : 9.8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : soldering-iron-tips Manufacturer : uxcell Material : Alloy ModelName : gerniemc8h1xgrka ModelNumber : PerGar7thqgni812-12 NumberOfItems : 1 PartNumber : a19123000ux0342 PowerSourceType : PowerSource ProductDescription : Specifications: Tip Shape: Conical-Slant Shape Tip/Horseshoe Shape Tip Heating Style: Outer HeatingMaterial: Alloy, mainly made of copper, iron, nickel, chromium, tin (Lead-free) Tip Length: 6mm Shank Diameter: 4mmTotal 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.