Portable Tire Retreader:1000W Tire retreading machine is mainly used for retreading truck or tractor tires by resistance heating, it is a very practical and large tire retreading tool, especially suitable for truck solid tires and other rubber products retreading and reuse. Easy to Use:Clear LED display shows the voltage in real time for you to view and adjust. The instant blade change and adjustment function allows you to easily position or reposition the blade to the correct depth. Precise and Stable Cutting Depth:The tire grooving tool uses the push force applied by the operator to lock the tool at the proper cutting angle, thus easily maintaining a precise and stable cutting depth, making rubber tire cutting a breeze. PREVENT RUBBER HEAT DECAY:Using the blade heating system, it is designed to be fast, smooth and easy to glide across the tire surface. Only the heated blade touches the tire. This helps prevent thermal degradation of the rubber and largely eliminates the effect of tire dirt on the electrical efficiency of the tool. Complete set:Our tire grooving tool is equipped with 10 U-shaped blades and 10 V-shaped blades, with cutting widths ranging from 2mm to 10mm, and depths ranging from 9cm to 14mm, to meet different grooving needs.