The metal grease sprayer coupler is designed for durability and performance. These accessories are compatible with both electric and manual grease tool, providing a reliable solution for all your lubrication needs. The grease filler nozzles make it easy to apply grease to even the most difficult-to-reach areas, ensuring comprehensive maintenance of your machinery. Features -Color:Silver -Material:Metal, plastic -Size:9.80X6.20X2.50cm/3.85X2.44X0.98in -Hole diameter: 17mm -Firm material: made from sturdy materials, this grease filling nozzle is robust and , capable of withstanding high pressure and frequent use -Pneumatic drive: utilizes pneumatic principles, driven by air pressure to provide stable lubrication, saving both and time construction: made from materials, this grease filling accessory is designed to withstand tough conditions and ensure use -Precise control: equipped with a precision adjustment device, allowing you to control the flow and pressure of the grease as needed, ensuring accurate lubrication -Multifunctional nozzle: comes with a versatile nozzle suitable for various types of lubrication tasks, enhancing work efficiency Package list: 1 x grease coupler