Features: Compact size for easy use, carrying and store without taking up too much space. Wide application: these solder tips fit many brands of iron station, can help you get your work done faster and more efficiently. Quality material: replacing soldering iron tips are made of quality oxygen- copper with zinc-coated, practical and stable, durable and safe, so can sever you for a long for time; They are not easy to be oxidized or broken, easy to install for application, with stable performance. Practical tool: heater soldering iron tools are easy to apply and can bring you much convenience, they are proper electro-welding accessories, can help you complete the fine welding operation without effort. Installation is very simple and the installation process will not cause any damage to your soldering iron. Specifications: Material:Iron Size:About:7.9cm/3.11inch Color:Silver Type:80W/100W Package Includes: 4x Soldering Iron Tip note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.