Material shall be the best quality, cold rolled, mild annealed, sheet steel free from buckle, loose scale or other surface imperfections. All steel parts shall be thoroughly cleaned before finish is applied. Finish shall be baked on at a temperature not less than 300 degree fahrenheit and must withstand rigid hammer test without flaking. Tops shall be 12 guage steel, flanged down 1-3/4", an back 2", and punched for attachment to bench legs. Legs shall be 14 gauge steel. Top and bottom horizontal leg channels to be 14 gauge spotwelded at two locations on each side of the vertical leg channels. Shelf shall be 16 gauge steel x 13-1/4" depth, punched for bolting to rear of leg and to the bottom cross channel. Top of shelf to be 1-1/2" above bottom cross channel. Stringer shall not be less than 18 gauge steel, channel type, not less than 5" wide, and punched for attachment to rear legs to insure rigidity. Back and end stops shall be 14 gauge steel. Back stops extend 3" above top and are secured by bolting to top. End stops taper 3" at back to 1-1/2" at front. Corners are rounded to avoid any sharp points. The adjustable foot is a channel made of 14 gauge steel and out of one continuous piece. The channel is punched with 12 holes on 1" increments for adjustment purposes. The bottom of the channel is formed and punched to add a leveling foot if desired by means of nut and bolt. Overall height of channel is 12-1/2" high. The channel is inserted into the bottom of the workbench leg and secured with nuts and bolts. Adjustability is performed by loosening nuts and bolts and repositioning to desired hole location on 1" centers. 27-1/4" to 36-1/4" adjustable height. 1-7/8" Thick pressed wood over steel top. 1-3/4" Bench top thickness.