1. Multifunctional: With this accessory, you can convert an electric air pump into a portable air compressor, and you can use pneumatic tools such as a dust blower, digital tire inflator, and pneumatic chuck. 2. Durable Material: Our wheel tire inflator adapters are made from premium materials, heavy duty, strong, oxidation resistant and durable. 3. Widely Used: This accessory is specially used in electric pump, also can be used in American pneumatic coffee machine. It also can be connected with all kinds of blower dust blower, digital display tire Inflator. 4. Dual End Connectors: Both ends are universal connectors. Connector 1 caliber is 5/16‑32. Connectors 2 caliber is approxmately 12mm / 0.47in 5. 1 Pack of 5 Adapters: One pack has five adapters, enough for daily inflating. Suitable for automobile, motorcycle, electric vehicle tire inflation. Spec: Item Type: Tire Inflator Air Compressor Adapter Product Material: Steel Connector 1 Caliber: 5/16-32 Connectors 2 Caliber: Approx. 12mm / 0.47in Compatibility Range Can be connected to all kinds of blower dust blower Can connect all kinds of digital display tire Inflator Can be connected to the air pump Package List: 5 x Adapter