Ladder mounts securely on transom, extends down into water for easy boarding and climbing down from boat 3-step ladder folds down, telescopes into water Integrated self-locking brackets hold ladder securely against transom Stainless steel ladder is rated to 400 pounds Extended length: 23.5-In. (60cm); stowed length: 14.75-In. (37cm); overall height: 1.5-In. (4cm); 12-In. (31cm) wide