SH-5-TR Specifications (Dimensions in inches, weight in pounds) Width, overall 30 1/2 Length, overall 52 Height, overall 90 Height, top step 40 Height, standing platform 48 Height, top shelf - Height, work tray - Average maximum eye level 108 Shelf, top - Work Tray - Standing Platform 30 1/4 x 36 Shelf, center - Shelf, bottom 30 1/4 x 48 3/4 Flange clearance (between shelves) 37 3/4 Steps 4 3/4 x 18 1/2 Net weight 125 Shipping weight (estimated) 145 Load capacity, load at rest 500 List Price (Call for dealer information) Pricing (any shelf capable of bearing total load capacity) Material-satin-finish aluminum, 1/8" sheet and 3/4" IPS pipe. Casters-5", corner-mounted, 2 fixed, 2 swivel on ladder end.