Lincoln Industrial 81387 Universal High-Pressure Grease Swivel, 1/4" MPT x 1/2"-27 Male. Thread Size: 1/4" MPT x 1/2"-27 Male. The Universal High-Pressure Grease Swivel can also be referred to as a grease gun swivel, grease hose swivel, lubrication swivel fitting, high-pressure swivel adapter, and grease tool swivel connector.
