4-Way Valve Core Tool, 4-in-1 Universal Multifunctional Car Tire Valve Stem Removal and Installation Tool, Universal Auto Tire Repair Wrench Puller for Truck, Motorcycle, Bicycle (2PCS) Size: 2PCS This 4-in-1 car tire valve stem wrench is designed for removing, installing, or replacing car tire valve cores, releasing air pressure, and clearing debris from threaded ports.