If you return to your slip after dark, these reflective dock lines will stand out to the beam of your flashlight, lantern or headlamp.Nylon double braid dock lines have reflective tracers woven through the cover of the rope for optimal visibility and increased safety in low light situations.These reflective dock lines are the strongest and easiest-to-handle you can buy and they stay flexible throughout their service life. The core and cover is constructed from the highest quality treated nylon.The combination of high-grade marine nylon, special torque-balanced construction, and a unique stabilization process produces a long-wearing, easy-to-handle line that resists kinking. Our double braid line offers controlled elongation and excellent abrasion resistance. Double braid lines stretch slightly less but are stronger than three-strand lines.Ready made with professional 12" eye splice and bitter end heat sealed and whipped.High elongation; stretches 6.5% at 20% of breaking strengthTorque-free non-hockling; stays flexible and very easy to handleVery little degradation from UV; can be used outside over long term if inspected regularlyManufactured with premium high tenacity nylon fibers and conforms to MIL-R-24050EReflective Dock Line Selection ChartDiameterLengthBreaking StrengthBlack ModelBlue Model3/8"15'4,800lb.15985831159859063/8"25'4,800lb.15985849159859141/2"15'8,000lb.15985856159859221/2"25'8,000lb.15985864159859305/8"15'13,100lb.15985872159859485/8"25'13,100lb.15985880159859555/8"35'13,100lb.1598589815985963What Diameter and How Much LineDiameter: The size, length and type