This is a package of two S.R. Smith Econoline 17.25 inch replacement ladder treads which are designed for 1.90 inch rails. Made of high impact plastic, this step tread is recommended for residential ladders. Hardware is included: 3/8 inch x 3-1/4 inch bolts, washers and hex nuts.
Our ladder tread width measurements are from center to center. Please measure the center-to-center dimensions of your rails before ordering.