Features: Premium Copper Construction: These soldering iron tip are made from quality copper for excellent heat conductivity and rust resistance, ensuring efficient soldering with smooth tin dragging. Quick Changes Design: Featuring a plugs and play mechanism, these tips allow easy insertion and removal for fast replacement during soldering projects. Versatile Tip Option: Includes three practical tip styles—round (B), C, and K—to handle various soldering tasks with precise. Efficient Heat Transfer: The copper base ensures rapid and uniform heat distribution, improving soldering accuracy and reducing work time. Durability & reliability: Built to withstand high temperatures and frequent use, these tips provide long last performances for professional and soldering needs. Specifications: Component: copper Color: Black + Silver Size:Approx.7.8cm/3.07in, 8.1cm/3.19in; Option Type: round head-B, horseshoe-C, k head-K,B+C+K head; Package Includes: 3pcs Soldering Iron Tips note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.