Durable Stainless Steel: Constructed from 304 stainless steel for long-lasting strength . Space-Saving Design: Bottom mount telescoping ladder folds up and slides securely between brackets when not in use. Extended Reach: Ladder steps extend 21.25" below the swim platform for easy access in and out of the water. Enhanced Safety: Features anti-slip treads on each step for secure footing while climbing in or out of the water. Strong & Secure: Supports up to 450 lbs and includes all necessary mounting hardware for easy installation. The Overton's Bottom Mount Telescoping & Slide-In 2 Step Stainless Steel Swim Platform Ladder mounts under the boats swim platform. The telescoping ladder folds up and then inserts between the mounting brackets to secure it when not in use. Ladder steps extend down 21.25" below the swim platform. The ladder is 304 stainless-steel.