Dixon® grease whip hose assembly, for use with: hand grease gun, 1/8-27 MNPT, brass, 6-7/8 in. US manufactured 3/16 in inside dia hose. One pc brass Crimp™ couplings. Solid base. 3,000 psi working pressure. Warning: this product contains a chemical known to the state of california to cause birth defects or other reproductive harm. Do not use in connection with drinking water. Wash hands after handling.