MARINE BOAT SS 2 STEPS TELESCOPING LADDER OVER PLATFORM RUBBER FOOT GRIPS This High Quality telescopic ladder is made of SS 304. This ladder is an over platform mounting ladder. Dimensions when fully opened: 23 1/2"H by 11 1/2"W Steps Distance between two center mounting holes: 10" Each Step Has A Flat Tread Cover w/ Non-Slip Plastic for Safety. Item: P71060-02