Plews 10-202 Flex Hose with Coupler for Grease Gun, 12" FLEX HOSE W/COUPLER, ECONOMY, 12" Flexible grease hose, with coupler, for use with LubriMatic or other manufacturer's hand operated grease guns Flexible extensions can get to hard to reach locations that standard metal extensions can't Maximum working pressure - 3,000 PSI 12 inch length 1/8 inch NPT fittings on each end