The SeaSucker Utility Hook is the perfect all-purpose hook for holding dock lines, a life ring, or whatever.• 1.25" wide hook has an opening spread of 3.5"• Overall: 4.5"W x 7"D x 9.25"H• Manufactured from UV-stabilized high-density polyethylene• Secured with a powerful 120-lb. pull-strength rated 4.5" vacuum mount Powerful 120-lb. pull-strength rated 4.5"" vacuum mount 1.25"" wide hook with 3.5"" opening spread