High Pressure Grease Gun Coupler – Quick Lock onto Zerk Heavy Duty Grease Gun Fitting, Quick Locking Disconnect Grease Gun Tip, Universal Compatible with All 1/8″ NPT Grease Gun End, Upgrade 12000 PSI (Amazon Affiliate)
US: https://amzn.to/3uhSZPy
This is the grease gun I used in the video:
Lincoln 1134 Extra Heavy Duty Pistol Grip Grease Gun, 6 Inch Rigid Extension, Dual Lip Follower, Variable Stroke Mechanism, 18″ Whip Hose with Coupler (Amazon Affiliate)
US: https://amzn.to/3UohLbF