1Fixed Mounting: The 4 steps boat ladder is designed with unique swivel mounting bracket for a secure fit in most angled or curved boat stern, supplied with fixing screws for convenient installation. 2Adjustable Standoffs Design: The boat 4 steps removable ladder is engineered with adjustable standoffs as well as cushioned tips for correct fit and Ergonomic Angle, providing comfortable using. 3Anti Slip Stairs: The each step is covered with flat black rubber treading sleeve which highly anti slip and Uv resistant, greatly avoid an accident and make sure your safety. 4Ergonomic Boat Ladder: The heavy duty folding 4 steps boat ladder features oval steps, which can provide a smoother and more comfortable treading feeling. 5High Accuracy Size: The stern mount ladder is 870mm long, with 9 3/8in (238mm) distance between steps and 7/8in (22mm) thick tube, providing a sure footed access to and from the water.