90 Degree Grease Nozzle Adapter 3 Jaw Coupler Grease Fitting Tool with Sleeve Product Features: Reliable material: Made of quality carbon steel material, the surface is galvanized, which can prevent corrosion to the largest extent and has a longer service life, is durable and sturdy, not easy to break, and can be applied for the long term. Spring-loaded design: Spring loaded sleeve locks the coupler in place, helps to secure the connection between your straight coupler and this angle coupler, and prevents leakage, making the grease filling more efficient and convenient. Easy to operate: This grease coupler is designed at 90 degrees, can grease hard-to-reach fittings in tight spaces, is convenient for you to connect some difficult fittings, and the 3 Jaw coupler design snaps on and off grease fittings easier. Multiple functions: The 90-degree crease coupler can be applied for auto, farm, truck, or industrial use, good for hard-to-reach grease fittings on cars, trucks, farm equipment, and more, it can be also suitable for most hand-operated grease tools, with working pressure range for 3000-4500PSI. Product Specification: Type: Grease Coupler Adapte Material:Carbon Steel Surface Material: galvanized Colour: Silver Features: 90 degrees and 3 Jaw coupler design,Spring-loaded Design Pressure Range: 3000-4500PSI Application: for auto, farm, truck, or industrial Fit for: cars, trucks, farm equipment, and more Suitable for: for most hand-operated grease tools Package Included: 1 x coupler adapters