The product is a set of four replacement OEM rotor blades for Aircat pneumatic impact wrenches. These high-quality blades are specifically designed for Aircat tools, ensuring a perfect fit and optimal performance. Made by the trusted brand AIRCAT, these rotor blades are essential for maintaining and repairing your impact wrench to keep it operating at its best. Ideal for automotive mechanics and DIY enthusiasts, these replacement blades are a convenient and reliable solution for keeping your air tools in top condition.