Designed specifically for efficient bolt removal to quickly loosen rusted screws and bolts within seconds Induction Heater includes 3 different coil sizes to accommodate a variety of fasteners, making it an essential tool for loosening nuts, rusted bolts Induction heater is equipped with a cooling fan and overheat protection system The induction heater tool can heat threaded nuts and rusty screws, and is also suitable for heat treating a variety of small metal parts in automotive, mechanical applications Induction heating is a precise heating method for heating materials Plug Type:US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the , the Philippines and so on. Voltage:AC110V Color:As Shown Material:plastic Package Contents: 1set * induction heater Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.