Features: The Lock on High Pressure Grease Coupler delivers 4000PSI with secure helical lock technology, eliminating leakage while fitting all standard grease guns for universally compatibility. Crafted from corrosions resistant steel and reinforced polymer, this heavy duty adapter features ergonomic spring loaded grip and fast release mechanism for effortless single handed operations in demanding environments. Ideal for automotive technicians, industrial maintenance crews, and DIYer enthusiasts requiring reliabled lubrication solution for vehicles, heavy machinery, and household equipment like motorcycles or gardening tools. Perfect for grease intensive tasks including truck chassis maintenance, agricultural equipment servicing, and workshop applications where vibrations resistant connection prevent accidental disengagement during operations. Its patents pending clamp design outperforms traditional couplers with 30% faster oil delivery and enhanced durability, backed by oxidation resistant coating to withstand harsh chemicals and extreme temperature fluctuations. Specifications: Component: Metal Color: As shown in the picture Package Includes: 1 Set Lubrication Coupler note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.