GREASE COUPLER, 19/32 IN., WORKING PRESSURE (PSI) 6000, MAX. PRESSURE (PSI) 6000, MIN. BURST PRESSURE (PSI) 10000, INLET 1/8 IN. NPT (F), OUTLET 3 JAW, FITTING END (IN.) 1/8 NPT (F), FEATURES HARDENED COUPLER BODY WITHSTANDS HIGH PRESSURE WITHOUT DEFORMATION, FULLY HARDENED SPRING STEEL JAWS, HEXAGONAL NUT FOR EASY TIGHTENING, 3 JAW CONSTRUCTION, WITHOUT BALL CHECK., FOR USE WITH HAND OPERATED GREASE GUNS