Russell 632080 ProFlex -6AN Stainless Steel Braided Hose - 15 Feet Maximum pressure rating of 1000 PSI with -6 AN fitting size Actual inner diameter measures 11/32", nominal diameter of 3/8" and outer diameter of 9/16" Designed for use with carburetor, fuel and oil lines Temperature range of -40 degrees F to +350 degrees F for a wider variety of uses and routing Use with Full Flow, Full Flow Swivel and Tube Seal hose ends