[Wear-resistant & Flexible]--Tire patch roller is made of high-quality alloy steel and plastic, with strong wear resistance, sturdy and anti-collision. Exquisite bearing link technology with non-slip handle, not easy to fall off, and labor-saving. [Effective Grinding]--Tire repair grinding is made from high-quality tungsten steel, and equipped with a low-speed hexagonal bar. The hollow umbrella can exclude the air when repairing the tire, maintaining a sealed state. The is a rough concave and convex , very suitable for grinding tires, not easy to wear, efficient and fast, and can long-term use. [Good Sealing]--Car tire patches are made of natural rubber, with good adhesion and strong sealing. The thickened rubber layer is more resistant to friction. The inner is used to scrape off dirt on the tire to help quickly repair the tire. [Easy to Use]--Remove the tire and clean it, quickly polish the tire worn areas with the tire repair buffing wheel, then evenly apply glue and fill the tire repair patch plug, roll back and forth with a tire patch roller to adhesion and sealing, and the tire repair efficiently. Colour:Photo Color Material:rubber Package Contents: 30x spacers (32/42/58mm) 4x tools (Grinding 42mm) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.