Durable Material: The grease gun nozzle is made of high-quality cast iron, which is resistant to high pressure and ensures smooth sliding throughout use. Double handles made of thickened precision cast iron, stable performance, long-lasting pressure and breakage, suitable for all types of lubricants. Improved Design: Our grease gun fittings have a new and improved design, thickened six-petal locking tabs, firmly locked to ensure that the fittings do not leak, highly leak-proof and durable. The reinforced jaw design ensures long-term stable performance and high-quality sealing. Easy to Use: Adopts a double handle design, more effort when filling oil. Prevents accidental slipping. By pressing the handle to extend the locking head and releasing it to lock the nozzle, it ensures that there is no leakage before and after the highest pressure. Universal Fit: National standard grease gun nozzle, universal manual, pneumatic and electric grease gun, universal M6/M8/M10/M12/M14 grease nozzle. Suitable for construction sites, mines, maintenance operations and all other machinery lubrication needs. Package Includes: 1 high pressure grease filling nozzle, size 90*15mm, small outlet diameter, easy to use in narrow spaces, fast grease filling, safe and clean, easy and effortless, maximum working pressure of 10,000 psi.