ITEM NAME:10pcs Lead-free Solder Tip Replacement Soldering Iron Tips Head Welding Tool 30W Product Description Description: 10pcs Lead-free Solder Tip Replacement Soldering Iron Tip Welding Repair Tool Specifications: Material: Pure copper, surface is electroplated nickel layer and iron layer oxidation Diameter: 30W: 3.5mm Tip length: 12.3 mm/0.48 in Total length: 30W: 65 mm/2.56 in Power: 30w Included: 1set X Welding tip(10pcs).30W: 3.5mm. 30W: 65 mm/2.56 in. Power: 30w. Included: 1set X Welding tip(10pcs). Material: Pure copper, surface is electroplated nickel layer and iron layer oxidation. Tip length: 12.3 mm/0.48 in. If item is defective after 3 months, you can still send it back to us.