The SR Smith 3 Tread 24 in. Economy Inground Ladder Plastic Step Marine Grade is made with commercial grade 316 stainless steel with a mirror finish. It has a 1.90 inch O.D. and a .049 inch thick wall. The ladder features bends with a 6 inch radius and frames that extend from the pool wall 6-1/2 inches on center. The upper ends of the frames are secured to the pool deck with two anchor sockets on 20 inch centers, while the lower ends are bent to meet the pool wall and fitted with two white rubber bumpers. This ladder is designed for salt water pools, coastal areas, and all other types of pools including chlorine or alternative sanitizers. Specifications Commercial grade 316 stainless steel 1.90" OD tubing .049" wall thickness Secured with 2 anchor sockets on 20" centers Bent to meet at pool wall White rubber bumpers Features Marine Grade ladders are great for Salt Water Pools Ideal for coastal areas High-quality stainless steel Bends are 6" radius 1.90" OD tubing .049" wall thickness Secured with 2 anchor sockets on 20" centers Bent to meet at pool wall White rubber bumpers - SKU: BAQP103221