1. Constructed from premium iron, plastic, brass, and advanced injection molding with durable painting, this tire groover is built to withstand wear, impact, pressure, deformation, shock, and rust, ensuring long-lasting beauty and functionality. 2. Includes 20 blades in various specifications and shapes, allowing cutting widths from 2-14mm and depths of 9-14mm to fully address diverse needs and help save on costs. 3. Utilizing resistance heating and sharp blades, the 1000W design enables smooth operation on truck or tractor tires, providing quick cutting and grooving with precise depth control to restore tire grip and support tire renovation and reuse. 4. Equipped with multiple safety features including overtemperature, overheating, overvoltage, and overload protection, along with air vents and a built-in cooling fan, it ensures secure usage during operation for peace of mind. 5. Comes with complete accessories for quick installation and startup, featuring a clear LED display for real-time voltage monitoring, an adjustment knob for easy temperature control via voltage, and indicator lights to show working status in real time.