Grease Coupler w/ Swivel 3-Jaw, For Use With Hand Operated Grease Guns, Size 1/8 in NPT, Connection 1/8 FNPT, Max. Pressure 7,500 psi, Min. Burst Pressure 13,000 psi, Working Pressure 7,500 psi, Material Steel, Features Built In Swivel Allows Full 360 Degrees Circle