SPECS: Mount Dimensions: 4" x 2" x 2" Bolting Dimensions: 1 5/16" x 3 3/16" DESIGN & DETAILS: Anchor release system for small boats in still-water fishing situations Easy lock and release action allows anchor line adjustments with only one hand Tough construction and roller bearing offers a smooth and quiet operation For use with rope up to 1/2" diameter Includes No. 241 Combination Side/Deck Mount which allows mounting on a flat deck surface or on the side of a gunnel or transom