These threaded swivel fittings have a ball joint that rotates 360° and up to a 45° angle to allow air line hose to adjust with tool movement and reduce twisting and kinking. These swivel fittings are often used to connect air line hose to reduce stress on the hose and extend its working life.

Double-pivot swivel fittings have two pivot points that rotate 360° to reduce twisting. These threaded fittings allow the air line hose to drop directly to the floor and out of the way when connected to an air tool.