Garelick/Eez-In 13002:01 Inflatable Boat Ladder - 2 Step Contour Design Hugs The Hull For Side Boarding Attaches To Floorboards With 3/8" (.95Cm) Line And Swivel Snap Vinyl Sleeve Will Not Mar Hull Fabric Durable 1" (3Cm) Diameter Anodized Aluminum Tube Comfortable molded white poly step