Viton Round Cord, Cross Section Actual 0.312 in, Overall Diameter 5/16 in, Color Black, Material Viton, Durometer 75A, Standard, Maximum Temperature 400 Degrees F, Minimum Temperature -15 Degrees F, Overall Length 50 ft, Tensile Strength 2,250 psi, Round, Abrasion Resistance Good, Chemical Resistance Excellent, Oil Resistance Excellent, Water Resistance Good, Weather Resistance Excellent, Cross Section Fractional 5/16 in