Make your docking needs worry-free with the Taylor Tidy-Ups Vinyl Fender Adjuster. It s constructed of durable vinyl and stainless steel material and can hold lines that have up to a 0.625 diameter. The Tidy Ups fender adjuster is available in two different colors and your choice of standard or large railing sizes. It s ideal for use by pretty much anyone who owns or operates a boat or other marine vehicle to be ready for a fun and safe day on the water. The Taylor Tidy-Ups Vinyl Fender Adjuster makes it easier to attach a line without having to make and undo a tight and secure knot.