Better than Straight Grease Gun Couplers: Our right-angled grease fitting is easier to work with than the straight fitting, especially in a tight space. No need to buy additional 90°grease gun adapter, this grease injector adopts 90 degree design, which can be used to grease hard-to-reach grease nozzle accessories in tight space, convenient for you to connect some difficult fittings, and the push-type handle design snaps on and off grease fittings easier. 90°Degree Grease Gun Coupler +1pcs 360°Grease Gun Hose Swivel+1Pcs Grease Injector Needle+1Pcs Grease Zerk Fitting Cleaning Tool.Grease Couplers are 0.62" in diameter and 3.52" in length for tighter areas than many other thicker couplers, as well as for recessed Zerks such as shielded PTO shafts, axles, U-joints, etc Patented Design:Samffy grease gun coupler adopts upgraded powerful 8-jaw structure. Featuring reinforced jaws and high quality aircraft grade sealing gaskets to ensure long-lasting stable performance, tighter fit and no grease leakage. Wide Application: Fits Most Grease Guns Portable grease gun fittings fit all 1/8" NPT standard grease guns, pneumatic grease guns, manual grease guns, electric grease guns, as well as all DIN and SAE grease nipples and all SAE and metric Zerk fittings. Simply replace the existing grease gun fitting. Fit All 1/8” NPT Fittings - Portable grease gun coupler are works on all DIN and SAE grease fittings and attaches to all 1/8” NPT standard grease guns, mini grease guns, pneumatic grease gun and electric grease gun Do you ever find it difficult to apply grease in tight spaces, or make a mess when using a right-angle grease gun adapter? Now you don't have to worry about that anymore! Our grease gun coupler allows you to easily apply grease to any tight spot without any leaks simply by pressing the handle!