Plastic Economy Ladder Tread Step - 18 Inch Width fitting-connection_Slip x Male This new design does not

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Plastic Economy Ladder Tread Step - 18 Inch Width fitting-connection_Slip x Male This new design does notOur economy high impact plastic vertical ladder tread has a center width of 18 inches and is designed for residential pool ladders with a 1. 90 inch O. D. Hardware is not included. This economy ladder tread matches S. R. Smith Tread A42073 0. Our ladder tread width measurements are from center to center. Please measure the center to center dimensions of your rails before ordering.