Feature: 1. [Efficient Bolt Removal] The induction heater bolt buster is specifically designed to heat rusty bolts and nuts, making them easier to remove. Safer, more precise and efficient. 2. [8 Piece Coil Set] The kit includes 8 coils: 2 x 20mm, 2 x 25mm, 2 x 30mm, 2 x 750mm long flexible coil, catering to various job requirements. 3. [3mm Brass Core] The induction coils are made of brass wire with 3.0mm brass core, more reliable, can be heated to a high temperature of 800℃ for a long time. 4. [LED Light] Built in LED light at the end, even when working in the dark, you can have a clearer understanding of the progress of the work and the status of the heated object. 5. [Cooling System] Equipped with cooling fan and overheating protection, the induction coil heater heats up without damaging nearby thermal components, extending the service life. 6. [Widely used] Mainly used for heating nuts and rusty screws to loosen them, this flameless heat tool can be used for heat treatment of various small metal parts such as gears, pulleys. Specification: Item Type: Magnetic Induction Heater Material: Flame Retardant ABS, Brass Protection Temperature: 80℃ Operating Frequency: 50-60Hz Rated Power: 1200W Heating Temperature: 800℃ Time Required for Heating at 800℃: 5-40 seconds (longer for larger objects) Bolt Diameter for Heating: Can be wrapped by coil, the coil can be freely adjusted Operating Temperature: -40℃ to 60℃ Relative Humidity: <95% RH Atmospheric Pressure: 86-100KPa Function: 1. With soft startup function, it has a long service life in frequent startup situations 2. With IGBT overcurrent protection function 3. With input and output overcurrent protection automatic adjustment negative feedback function 4. With IGBT over temperature protection function 5. With heating coil short circuit protection function 6. With heating coil open circuit protection function 7. Full bridge series resonant circuit topology, strong anti interference 8. Using high performance IGBT driver chip for accurate driving and output waveform 9. Automatic identification of load and phase locked function to achieve higher power factor at the load end, and to enable circuit control to work efficiently in weak inductive regions 10. Several electromagnetic heating controllers are installed in parallel on the same heating tube without interfering with each other 11. Good energy saving effect: Compared with the currently used electric heating coils, it can save more than 30% electricity 12. Easy installation: Can be connected to induction coils with bucket and flat disc structures, etc.. Package List: 1 x Magnetic Induction Heater 8 x Heating Coils 2 x Screws 1 x Instruction Manual