This is the Aqua Marina River Leash. Essential for the popular river SUP, it's a leash with a quick-release mechanism. If you're river SUPing, always use a leash with a quick release. This double swivel leash is 7mm thick and features a quick-release mechanism, perfect for river SUPs. - Length: 9 feet - Thickness: 7 mm - Type: River Leash - Designed For: River SUP - Features: Quick-release mechanism, Double swivel leash Thank you for viewing.