Carbide Burr Multi-Sizes: Equipped with 2 distinct sizes (4.5 mm, 6 mm) in sturdy parent boxes. Superior Construction: Crafted from premium quality alloy steel, our tire repair drill bits are durable, wear-resistant, and pointed. They are designed to resist breakage, rust, and abrasion, ensuring rapid cutting and an extended lifespan, providing reliable service in all conditions. Effortless Operation: Utilize the appropriate size carbide bit depending on your tire's puncture. For optimal results, we recommend drilling the area 3-5 times from the inner to the outer layer using a low-speed setting to ensure thorough repair without causing further damage. Precise Cutting Design: Each reamer features aligned cutting teeth that operate in unison to meticulously remove sections of the tire. This accuracy not only safeguards the tire's integrity but also gives the repair site a clean and precise finish, enhancing the quality of the fix. Adaptable for Various Uses: Our multi-functional tire repair tools are indispensable for fixing tire punctures effectively. They are suitable for a wide array of vehicles including cars, trucks, motorcycles, and tractors, making it an indispensable tool kit for vehicle maintenance." The actual product may have slight color difference or difference, which will not affect the use Colour:silver Material:alloy steel Package Contents: 2 X Tire Repair Burr Drill Bit 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.