This is a 24inch premium quality whip hose for hand operated grease guns with a max PSI of 5,800 Tough rubber construction with inner tubing made from Polyamide with Polyurethane sheathing and reinforced tear resistant polyester offers maximum flexibility and durability The inner tubing is polyamide with polyurethane sheathing, reinforced diagonally in high tear resistant polyester Designed to work with airoperated greasing equipment This comes with 18 NPT plated steel threads on both ends