This product is a quality soldering iron replacement bit for digital soldering iron. It provides 5 types of soldering tips for your to choice, to meet your different soldering requirements. And all tips are made of high strength metal material for nice heating performance and long durability. Fast Heat Conduction: Internal heated design with fast heat conduction effect for quick temperature rise, and with fast heating speed. Various Types: There are 5 types of soldering tips available, to meet your different soldering requirements. Superior Soldering Effect: Fine workmanship, standardized design, with perfect tin soldering effect. Perfect Replacement: These soldering iron tips are perfect replacement part for TS80-main/more intelligent soldering iron. Wide Applications: Suitable for electronic production and electric maintenance such as mobilephone, computers, etc. Note: The first time use should be set to below the 250 temperature for tin-protections, to prevents high temperature oxidation. The soldering iron bit can not high temperature use for a long time, and the usual use of about 360 degrees is suitable. Specifications: Name: Soldering Bit Material: metal Type: TS-D25, TS-B02, TS-K4, TS-BC02, TS-J02 (optional) Package size: 16 * 16 * 129mm / 0.63 * 0.63 * 5.08in Package weight: 18g / 0.63ounce Packing List: 1 * Soldering Bit