This 12 inches aramid fiber reinforced thermoplastic grease hose with 1/8 inches NPT male ends fits most manual grease guns. This hose has a 4, 500 PSI working pressure rating and a 12, 000 PSI minimum burst rating for safety and dependability. It is working temperature range from -40 degrees Fahrenheit to 212 degrees Fahrenheit. It meets or exceeds SAE 100R7. It is not suitable for power operated grease guns. Lomax is a manufacturer of lubrication and fluid management products. Our products, including grease guns, manual and electric pumps, funnels, drains, grease fittings, filter wrenches, and accessories, are built to the highest standards and incorporate many proprietary features. Lomax's mission is to provide professionals and consumers with innovative and high-quality products to get the job done right. Product development at Lomax goes beyond the physical product, to a deeper understanding of the end-users' needs. Engineered with the "user-in-mind, " Lomax products are built to the highest standards and incorporate many unique features that make work easier, faster and cost-effective. We have a passion for the design process. We listen to our customers and their ever-expanding requirements. Our unique products lead the field in design, quality, and performance.