【Durable Material】Constructed from high-quality iron, plastic, brass, and advanced injection molding and painting processes, this product is solid, wear-resistant, impact-resistant, pressure-resistant, deformation-resistant, shock-resistant, and rustproof, ensuring long-lasting beauty and practicality. 【High Efficiency】Utilizing resistance heating and sharp blades, this 1000W device smoothly glides on tire surfaces, quickly cutting and grooving tires for trucks or tractors. It provides precise, consistent cutting depth to restore tire grip, ideal for renovating and reusing tires and other rubber products. 【Safety Guard】Equipped with multiple protection features including overtemperature, overheating, overvoltage, and overload safeguards, along with air vents and a built-in cooling fan, it ensures safe operation, allowing for confident use in various conditions. 【Complete Kit】Includes 20 blades of different specifications and shapes, enabling cutting widths from 2-14mm and depths from 9-14mm. This versatility fully meets diverse needs and helps save on costs by eliminating the need for additional tools. 【Simple Operation】Comes with complete accessories for quick installation and immediate use. Features a clear LED display for real-time voltage monitoring, an adjustment knob for easy temperature control via voltage, and an indicator light to show real-time working status, enhancing user convenience.