Premium lead-free soldering tip crafted from high-grade copper core with advanced iron plating for superior heat transfer and extended durability. Precision-engineered knife/horseshoe shape ensures optimal contact area and solder flow control for intricate PCB repairs and electronics assembly. Universal 936-compatible design fits most soldering stations with seamless temperature stability up to 450°C. Black diamond coating resists oxidation 3X longer than standard tips while preventing solder sticking. Ideal for professional-grade welding tasks: automotive wiring, SMD component replacement, and DIY precision soldering projects. Includes anti-static packaging with moisture-proof storage case.