EPDM Round Cord, Cross Section Actual 0.312 in, Overall Diameter 5/16 in, Color Black, Material EPDM, Durometer 70A, Standard, Maximum Temperature 300 Degrees F, Minimum Temperature -65 Degrees F, Overall Length 10 ft, Tensile Strength 1,500 psi, Round, Abrasion Resistance Good, Chemical Resistance Good, Oil Resistance Poor, Water Resistance Excellent, Weather Resistance Excellent, Cross Section Fractional 5/16 in