• 05-035 Heavy Duty Coupler for hand operated grease guns only.  
• Recommended working pressure is 6,000 psi.
• All steel construction.
• Fits all 1/8 "NPT threads

05-026 Quick Connect Locking Coupler. The quick connect coupler easily attaches and disconnects from fittings with one simple motion. The coupler conveniently swivels 360 Degrees for access to any fitting location. Solid steel construction allows the coupler to build up to 8000 PSI and still disconnect with ease.1/8" NPT