An anchor lock system for small boats in still water fishing situations Tough construction and roller bearing for smooth, quiet operation.Scotty Anchor Lock model #276 includes No. 241 Combination Side/Deck Mount Easy lock and release action allows anchor line adjustments For use with rope up to 1/2″ diameter (rope not included) Mount Dimensions: 4” x 2” x 2”; Bolting Dimensions: 1 5/16” x 3 3/16”