Material: Chrome vanadium steel Size: 300*22*6.5mm Quantity: 3 pieces Package content: 3* tire rocker 1.High Hardness Steel: The presser foot of the tire is made of high quality chrome vanadium steel, heat treated to improve strength and durability, and can withstand shock, collision and impact. 2.Utility Tool: Based on the lever principle, the crowbar on the tire can easily and effectively remove the tire from the scooter or bicycle. The head design has reasonable curvature, which makes tire removal easier and more convenient. Help you quickly change a new tire. 3.Smooth Surface: When you use this manual tire iron, the smooth surface makes the handle comfortable. At the same time, it has no burrs and will not damage the interior of the tire. 4.Chrome Plating Treatment: Good products emphasize the details. The surface of the bicycle tire changer is chrome plated, the chrome polished plate has anti-rust, anti-corrosion and anti-wear properties, and can be used for a long time 5.Application: Steel tire changer is suitable for scooters, bicycles, motorcycles, cars and other vehicles, it is suitable for professional auto repairers and home use.