" All resin construction that will not rust or corrode 5 tread design that makes our ladder easier to climb than 4 tread ladders Extra deep 5-Inch non-skid treads make for safe and secure climbing Ladders are equipped with a child proof barrier that meets all ansi/apsp codes for safety Adjusts to fit deck heights from 48-Inch -54-Inch upto 300-Pound capacity › See more product details"