1. High-quality materials: made of special steel, which ensures fine workmanship, sturdiness and long service life of the oil press, providing excellent durability and reliability. 2. Non-slip design: Equipped with non-slip rubber handles, which provides better grip and stability, increases safety and comfort during operation, and effectively prevents slipping during operation. 3) Efficient Pressure Relief: The high pressure nozzle features a rotating design that can quickly unfold and lock the six-flap nozzle tightly when pressed, and is equipped with a thumb lever that allows the accessories to easily relieve pressure even under extreme pressureleaves. 4) Improved G Coupling: The optimized design prevents axial bending during operation, simplifies installation and provides long-term stable and durable performance with improved tooth shape, so there is no need to worry about oil leakage. 5. Wide compatibility and high pressure tolerance: The maximum working pressure is up to 690 bar (10,000 psi), which is suitable for all 1/8" NPT interface grease machines, whether they are pneumatic, manual or electric grease machines, andoffers an ideal user experience.The gasket is designed with a tapered steel core to ensure a leak-free connection, providing a tight and long-lasting seal and saying goodbye to grease and waste.