Boao 4 Pieces 90 Degree Grease Gun Coupler Silver Coupler Adapter 3 Jaw Angle Grease Fitting Tool with Sleeves for Auto, Farm, Truck or Industrial Use

Spring loaded: spring loaded sleeve locks coupler in place, helps to secure the connection between your straight coupler and this angle coupler and preventing leakage, make the grease filling more efficient and convenient. Convenient to use: this grease coupler is designed with 90 degree, can grease hard to reach zerk fittings in tight spaces, convenient for you to connect some difficult fittings, the 3 jaw coupler design snaps on and off grease fittings easier. Reliable and sturdy to use: these 90 degree crease coupler are made of quality carbon steel material, the surface is galvanized, which can prevent corrosion to the greatest extent and has a longer service life, durable and sturdy, not easy to break, can be applied for long term. Wide applications: the 90 degree crease coupler is suitable for auto, farm, truck or industrial using, good for hard-to-reach grease fittings on cars, trucks, farm equipment and more, it can be also applied for most hand-operated grease guns, with working pressure range for 3000-4500PSI. What you get: the package comes with 2 pieces silver coupler adapters and 2 pieces sleeves that will satisfy your various needs, effective locking and quick release mechanisms ensure that grease enters the machine without spilling or leaking, safe and convenient to use in your daily life