Davis Instruments Secure Removable Chafe Guards - Black Pair. Davis Instruments designed these Boating & Marine with durable UV-stabilized nylon webbing on the outside and 100percent Velcro hook fasteners on the inside of the guard that securely grip your line without extra securing materials. Simply snap these Davis Instruments Secure Removable Hook & Loop Chafe Guards in place as needed and they're usually pretty easy to reposition when your dock lines stretch. Each chafe guard measures 16" long and you can buy them by the pair. Pick up these Davis Instruments Removable Chafe Guards to extend the life of your lines while at the dock at anchor or on a mooring. Features of Davis Instruments Secure Removable Chafe Guards Fits braided or twisted line from 3/8 to 1 (1025 mm) Outside cover: tough UV-stabilized nylon webbing Inside: 100percent Velcro hook fasteners Each chafe guard is 16 long (40 cm) Sold by the pair Package Contents: Davis Instruments Secure Removable Chafe Guards Davis Instruments 397: Secure Removable Chafe Guards - Black Pair