Lightweight Stainless Steel Outer Braid Over PTFE Liner, High Pressure Hose, Withstands 1500 Max PSI, Easy to Cut and Assemble. Accepts Speed-Seal Hose Ends Only.; Speed-Flex hose is intended for use with Speed-Seal hose ends only. No other Earl's hose end is intended for use with Speed-Flex hose. The use of other manufacturers hose ends is not recommended.;.