5/8" Heavy Duty Double Gripping Nylon Hose Clamps, 225&deg; F / 200 PSI Rated, 10 Pack (Made in USA/UK) Double Grip - Second row of teeth for a more secure grip than conventional nylon clamps For use with 5/8" OD (Outer Diameter) Hose/Tubing. Made from UV/Heat Stabilized 6/6 Nylon. Easy to install and reusable. -40C to 125C/225F Long Term Operating Temp Range (up to 170C/340F Occasional Peak Temp) Resists pressures up to 200 PSI and above depending on clamp size and hose/fitting quality High chemical resistance inlcuding gasoline (with or without methanol), oils, and most solvents