1/4 pneumatic joint universal air connector aluminium alloy part 360 degree

100% brand new and 1. made of aluminium alloy material, durable and solid, and easy to use. 2. on both sides of screw joints, pneumatic tools were normal intake port. 3. pneumatic conversion universal joints, can rotate 360 degrees, an internal thread, an outer thread. 4. facilitate a variety pneumatic tools intake port use. 5. fitting universal joint adapter.