K4790 Neoprene Round Cord Cross Section Actual 0.312 in Overall Diameter 5/16 in Color Black Material Neoprene Durometer 70A Standard Maximum Temperature 210 Degrees F Minimum Temperature 0 Degrees F Overall Length 50 ft Tensile Strength 725 psi Round Abrasion Resistance Good Chemical Resistance Fair Oil Resistance Good Water Resistance Good Weather Resistance Excellent Cross Section Fractional 5/16 in