Specification Brand : Metcal BulletPoint1 : Package Dimensions: 0.762 H x 17.78 L x 1.524 W (centimetres) BulletPoint2 : Package Weight: 0.022 pounds BulletPoint3 : Country of Origin : United States BulletPoint4 : Unit count: 1.0 BulletPoint5 : Tips: Please pay attention to the outer diameter to avoid mismatching. ExternallyAssignedProductIdentifier1 : 696738408210 ExternallyAssignedProductIdentifier2 : 0696738408210 ItemDisplayWeight : 1 pounds ItemName : Metcal SSC-645A Series SSC Hand Soldering Cartridge for Temperature Sensitive Applications, 675°F Maximum Tip Temperature, Conical Sharp Long Reach, 0.4mm Tip Size, 19mm Tip Length ItemPackageDimensions_Height : 0.762 centimeters ItemPackageDimensions_Length : 17.78 centimeters ItemPackageDimensions_Width : 1.524 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : soldering-iron-tips Manufacturer : OK International Material : Alloy ModelNumber : SSC-645A NumberOfItems : 1 PartNumber : SSC-645A 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: 4mmTotal Length: 68mm Fit for Power: 40W Features: Lead-free soldering iron tips can bear higher temperature than those normal tips. Perfectly compatible with 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.