Core Tools CT121 Tire Iron Set Because changing a tire often requires more than one tire iron, this set includes one 15" Curved Tire Iron, one 12" Tire Iron, and one 8-1/2" Tire Iron The 15" Curved design increases leverage for those tough to change tires and the rounded edges on all levers help avoid tube pinching and tire damage Speeds up tire changes, making them a must have for any toolbox I-Beam cross section increases strength and bend resistance without added weight Made from high quality drop forged steel then heat treated for strength and durability