Portable Copper Tire Deflators can quickly reduce the pressure of four tires without removing the valve core, without wearing the valve core, and without risk of loss Tire Air Down Tool is small in size and comes with a key ring, which is easy to store and carry without taking up too much space Tire Pressure Deflators save your maintenance costs and improve your driving safety Tire Deflator is easy to use, just unscrew the air bleed valve one by one on the standard Schrader stem, it will press the pin in the spool and start to bleed 4 in 1 Tire Deflator Tools is suitable for cars, jeeps, trucks, motorcycles, bicycles with Schrader valves, Weight: 0.12566348934 pounds, Manufacturer: Aetherize_F06_5007031