Sea-Dog Hook Mooring Cover Support Crown Webbing Straps Boat. Each strap is 15 in length with a securing loop on one end and an adjustable snap clip on the other they are designed for setting once and then clipping in and out later for ease of use. Each set includes 3 straps. Specifications for Sea-Dog Boat Hook Mooring Cover Support Crown Webbing Straps: Manufacturer: Sea-Dog Color: Black Features of Sea-Dog Boat Hook Mooring Cover Support Crown Webbing Straps Used for positioning the mooring cover support crown securely in place Securing loop on one end and an adjustable snap clip on the other Designed for setting once and then clipping in and out later for ease of use Strap Dimensions: 15' x 1" Package Contents: Sea-Dog Boat Hook Mooring Cover Support Crown Webbing Straps Sea-Dog 491115-1: Hook Mooring Cover Support Crown Webbing Straps Boat