[PORTABLE TIRE DRESSING MACHINE]: The 1000 W DC 8 V solid tyre grooving tool is adopting globally applicable AC input power supply to invert AC power into DC power, with high transmission efficiency, low operating temperature, soft start current, and effectively reduces AC power transmission loss [LED DISPLAY SCREEN]: The tire engraving machine with LED digital display, the operating voltage is clearly displayed to avoid blade damage due to excessive startup range.Equipped with temperature regulation,intuitive and convenient [20 TIRE CUTTING BLADES]: Our tire grooving tool is equipped with 10 Pcs U-shaped blades and 10 V-shaped blades, with cutting widths from 2 mm to 14 mm and depths from 9 mm to 14 mm, to enhance the friction between the tires and the ground, making vehicle driving safer [BLADE HEATING FUNCTION]: The tire groover machine is trimming trucks or tractors tires through resistance heating,comes with a blade heating function that heats the blade to soften the rubber and make it simple to cut. This that the tires are carved with a finer and more beautiful pattern result,especially on solid truck tires and other rubber products [APPLICATION]: This tire groover kit can cut "U" and "V" patterns for different tire carvings, deepening tread patterns for motorcycle tires, truck tires, car tires, Off-road vehicle tires, and more