【350 LBS WORKING CAPACITY】- Weight Capacity: 350 lbs. We designed five wider steps to provide great comfort and stability. Step Dimension: 18'' x 4''. The height between every two steps is 12". 【ALUMINUM STRUCTURE】-The 3-step dock ladder is built by quality aluminum material, with an excellent grip, anti-corrosion, and anti-rust. The lightweight materials make this more portable for you. 【ANTI-SKID & HIGH STRENGTH】- We especially provide the rubber mat for each step to prevent accidental slipping and injuries. The reinforced dock steps get you in and out of the water with maximum safety. 【THOUGHFUL DESIGN】-The dock ladder is mounted with stainless steel mounting kit. Double round handrails help to up and down easier, so you can safely use the dock ladders for a long time. 【VERSATILE USE】- This aluminum boat ladder is designed to do most boarding jobs. Whether you're planning to take it on your ship, put it at the end of the dock or use it on a swim raft.