Boat or canoe dolly designed to clamp onto the rear transom of your canoe or boat allowing the boat to be rolled down to the lake, favorite hunting / fishing spot or to storage with one person. Boat-Dolly Boat & Canoe Transom Dolly Cart * Moves a single boat or canoe with a one-person dolly cart * 9-1/4"W Transom clamp adjusts from 0" to 2-3/4" topside and from 1" to 3-1/4" on the bottom * Smooth rolling 7" double-wheel configuration * Easy to secure knob system * Heavy duty steel construction