Slip Resistant. Aluminum Angle Feet With Thick Rubber Tread On All Four Legs To Provide Sure Footing. Large Structural Molded Top. Large Parts Tray Recessed 1/4" Deep With Tool Slots. Heavy-Duty Side Rails Are Full Channel Extrusions On The Front And Modified Channel On Back Legs. Meets Or Exceeds The Safety Standards Set By ANSI And OSHA. Steps 3" Wide.