Enhance your metalworking and repair tasks with this high-performance Induction Heater Coil Kit, featuring a durable 2.5mm brass core designed to withstand temperatures up to 1200℃. This versatile 4-piece coil set includes coils with diameters of 0.79in (20mm), 1.18in (30mm), 1.57in (40mm), and a 29.53in (750mm) free coil, offering a wide range of options to meet different heating applications with precision and ease. Key Features: · Premium 2.5mm Brass Core: Constructed from high-quality brass, the coil can rapidly heat metal parts to high temperatures, facilitating efficient and effective heating for loosening nuts, bolts, and other metal components. · Complete 4-Coil Set: Includes three prefabricated coils of varying diameters and one flexible free coil, allowing adaptability for various sizes and shapes to streamline your workflow. · Exceptional Durability and Longevity: Each coil resists overheating and premature wear, ensuring reliable use over hundreds of heating cycles for long-term performance. · High Flexibility: Coils can be easily bent and shaped to fit specific tasks, providing customized heating solutions tailored to your requirements. · Advanced Insulation and Wear-Resistant Coating: Equipped with a protective insulation layer to guard against electrical hazards and a durable coating to prevent wear, improving safety and extending coil lifespan. · Oxidation-Resistant Electroplating: The electroplated surface enhances conductivity and prevents oxidation, ensuring consistent performance and maximum work efficiency. · Wide Range of Applications: Ideal for automotive heat treatment, machinery maintenance, and heating small metal parts such as gears, pulleys, bearings, rusty screws, and bolts, making it a must-have for professional and hobbyist repair work. Specifications: · Material: Brass · Brass Core Diameter: Approx. 2.5mm (0.1in) · Coil Set: 4-piece (20mm, 30mm, 40mm diameter coils + 750mm free coil) · Temperature Tolerance: Up to 1200℃ Package Includes: · 4 x Induction Heater Coils (20mm, 30mm, 40mm, and free coil) This Induction Heater Coil Kit offers a reliable and efficient heating solution for removing stubborn rusted bolts and nuts, as well as performing precise heat treatments on various metal parts. Its robust construction, flexibility, and safety features make it an essential tool for automotive, mechanical, and metalworking professionals seeking enhanced productivity and ease of use.