Features: The screw type pressure grease nipple ensures easy locks on and off, providing a secure and leakfrees connection for efficient lubrication. Made with metal, this coupler features a stable and durable design, equipped with an elastic spring for longer service life. Designed for professionals in the automotive and industrial sectors, this self locking quick connector is perfect for mechanic and maintenance personnel. Whether its in factories, farms, or constructions sites, this coupler is suitable for various lubrication tasks, ensuring smooth operation of machinerys and equipment. Say goodbye to messy oil spills and wasteds grease! With its ergonomic design and user friendly features, this coupler makes lubrication tasks effortless and efficient. Specifications: Material:Metal Size:As Picture Shown Standard 1/8 NPT connector Applicable fields: animal husbandry, aquaculture, forestry, agriculture, fishery, etc. MaximumWorking Pressure: 10000psi (690Bar) Double handles are easier to use. Note: .Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. .Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1 Set Grease Guns Coupler