Fuel dispenser hose swivels provide an effective way to protect your hose from kinking during fueling operations. The swivel is most effective when installed between the fuel dispenser and the fuel hose. 1" male pipe thread x 1" female pipe thread Fuel transfer hose swivel Provide an effective way to protect your hose from kinking during fueling operations He swivel is most effective when installed between the fuel dispenser and the fuel hose.