Tire Patching Kit: come with 1 tire buffing tool with shank rod and 1 tire roller for tires, the tire patching buffer diameter is: 1.5inch, rod length: 2inch/5cm, the roller diameter: 1.57inch/4cm, length:7.1inch/ 18cm. Perfect tire patching tool for mending tire. Material: the tire buffer stone made of tungsten steel which is sturdy and durable, hard to deform or damage, the tungsten grit will rough the tire surface to make sure the hot patch healing well, and tire patch roller handle made of plastic that will grip when you press the hot patch. Widely Application: high and low speed tire buffer is effective and wear resistant, tire mending accessories for tire repair, suit for wheel of cars, trucks, motorcycles, bicycles, bicycles, electric bicycles, cars, and so on what have rubber wheel. Efficient Tire Mending Tools: the heavy-duty tire patch tools are perfect for hot patch tire mending, easy assemble with grinder, and efficient of rough surface, you can use the roller to press out of air after you stick with hot patch for healing completely. Easy to Assemble: come with a rod diameter is 0.43inch/1.1mm, slot diameter: 9mm for grinder that easy and convenient for you assemble..Items from Sheng Xinshun's shop