Laura Davidson Furniture SOHO Ribbed Management Office Chair (Black) #1 Rated mid century modern office chair from Laura Davidson. 400 pound weight limit. Heat embossed ribbing like the original - 3x more durable than cheaper stitched ribbed versions. Supportive chrome steel tube frame; ribbed leatherette seat with cast aluminum arms for comfort. 5-star extra strength base with tilt-swivel mechanism, pneumatic gas seat-height adjustment, and tilt lock feature. Seat height ranges from 17 to 21 inches. Seat measures 20 inches wide by 20 inches deep with a 34 to 37 inch chair height; 2-year warranty. Heat-embossed ribbing like the original - 3 times stronger than cheaper stitched ribbing Ultra fast 5 minute assembly - 90% assembled Supportive chrome steel frame with removable arms Durable yet comfortable seat cleans easily with a damp cloth Materials that perform under stringent Wyzenbeek and Martindale rub test standards Cast aluminum 5-star base like the original, with tilt-swivel mechanism Pneumatic gas seat-height adjustment, and tilt lock feature Multi-purpose rolling casters that are safe for hardwood flooring