The Dock Edge Fixed Wide-Step Ladder with a 4" tread depth is ideal for sure-footed access to and from the water or boat. With a load capacity of 665 lbs. this rugged ladder will stand the test of time. Perfect for seawalls or dock applications with varying water levels.• Heavy-wall 1.7" marine-grade aluminum extrusion• Excellent grip, anti-corrosion, and anti-rust• Wide anti-slip strips with ribbed treads for sure footing• Permanently, mechanically attached end caps for added safety• CNC robotic weld is perfect every timeSpecsRail Height: 19-1/2" above the dockDistance to First Step: 11" from dock surfaceDistance between Steps: 12"Steps: 4"D x 16-3/4"WCapacity: 665 lbs. Heavy-wall marine-grade aluminum extrusion Excellent grip, anti-corrosion, & anti-rust Permanently, mechanically attached end caps for safety | Dock Edge Fixed Wide-Step Aluminum Ladder, 4-Step