Made of marine grade material 316 stainless steel, which resists erosion and avoids rust from sea water and harsh environment.Don't worry about exposing to the weather.Unique universal self supporting design requires no support. Tubing * Telescopes and flips up *Rear Entry Ladder * Quick release mounting brackets * 600 lbs. capacity.Extra wide telescoping steps for more comfort when boarding. Extra tall, comfortable handrails for easy boarding.The step ladder is easy to assemble and use with its collapsible design and the included fittings; perfect for sailboats and ships, and most swimming pools, docks, pontoons.The compact ladder can be quickly collapsed and folded back onto the handrails when not in use, saving space and extending its life.The ladder's steps are covered with grooved PVC pads to ensure your solid footing even when soaking wet; its feet are protected by wear-proof foot caps to withstand daily abrasion.