... County Chaofeng Metal Products Co., Ltd 1. Ladder step are combined steel grating with side panels ... used on ladders , usually referred to ladder step.2. ladder step Specifications:From the point of economic and ... recommend you using the following specifications:T325/30/100 ladder step: width for not more than 900mm, ... but more than 500mm.T255/30/100 ladder step: width for not more than 1500mm , ...