The Performance Tool grease gun coupler is a versatile addition to your lubrication equipment. It fits most hand-operated grease guns, making it a universal fit for a variety of applications. With a maximum working pressure of 4,000 PSI and a burst pressure of 8,000 PSI, this coupler is designed to handle even tough lubrication tasks. It is also built to last, with durable construction that can withstand heavy use and resist damage from impacts and wear. The coupler is designed to fit most standard 1/8" NPT grease fittings, making it easy to install and remove. Whether you're working on automotive, industrial, agricultural, or commercial equipment, this coupler can help you efficiently lubricate hard-to-reach areas with ease. Get the Performance Tool grease gun coupler today and make your lubrication tasks easier and more efficient.