277 - Anchor Lock with Flush Mount Bracket The same sturdy unit and ingenious mechanism of the No. 276 Anchor Lock but this version includes a Scotty No. 244 Flush Mount Bracket. This mount has a sealed base for watertight applications (such as kayak decks). Mount Dimensions 4 x 2 x 2 Bolting Dimensions 1 5/16 x 3 3/16