Need a reliable rope to tie up your boat? This T.W. Evans dock line is a classic choice for a reason. It's a 1/2 inch diameter, 20-foot long rope made from double-braided nylon. Nylon is great for dock lines because it has some stretch to it – this acts as a shock absorber when waves make your boat surge, taking stress off your cleats and the boat itself. The double-braid construction is strong, durable, and handles nicely without kinking. One end has a neat, professionally spliced loop (an 'eye'), which makes it easy to loop over a dock cleat or piling. The other end is heat-sealed and whipped to prevent fraying. The white color looks clean and traditional. This size (1/2\ x 20') is a common, versatile choice for smaller to medium-sized boats. Just remember, for safe docking, you usually want lines that are about 2/3 the length of your boat. A solid, no-nonsense piece of marine gear to keep your boat secure.