Made of High Polished Thick -walled 304 Stainless Steel Round Tubing for durability and resistance to rust and corrosion. The ladder slides out to increase the stability of the ladder long bracket, and Nylon bushing in between ladder segments for anti-rattling. Steps drop smoothly into water and also quickly stowed away while not in use, suitable for marines, boats, ships, yachts, and so on. Dimension: Length Stowed:15-3/4” (400.0mm); Length Deployed:44.4” (1128.0mm); Centric Distant :10"; Weight Capacity: 400 lbs. Package Includes 1 piece of MARINE CITY Stainless Steel 4-Step Ladder Stainless Steel Over Platform Sliding Ladder Boat Boarding Telescoping Ladder (Not Include Fasteners).