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: