SH-6WM Specifications (Dimensions in inches, weight in pounds) Width, overall 21 1/2 Length, overall 49 Height, overall 85 Height, top step 50 Average max, eye level 110 Shelf, top 21 1/4 x 26 3/4 Shelf, center 21 1/4 x 36 1/2 Shelf, bottom 21 1/4 x 45 Shelf flange clearance, top 28 1/2 Shelf flange clearance, bottom 26 3/4 Height, top shelf 66 Steps 4 3/4 x 18 1/2 Top step only 8 x 18 1/2 Net weight 101 Shipping weight (estimated) 121 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.