Portable tyre inflator to check and fill/drain with calibratable manometer (80 mm diameter). The air will be automatically filled into the container with the air fix connection, which makes the unit immediately usable. With the plug it is easily possible to correct the tyre pressure at car, truck and motorcycle tyres. Easy pressure on the lever will drain the air, heavy pressure on the lever will fill air into the tyre. You can check the actual tyre pressure as soon as you will let off the lever. Delivery with air fix connection