Specifications include, but are not limited to: Task chair; molded foam upholstery; black mesh back; lumbar and head support; butterfly synchro seat plate with three-position lock; 46.9-50.8" H x 27.8" W x 27.8" D; Padded height-adjustable arms; support a user who weighs up to 275 lbs. for a full work day; black; La-Z-Boy Model #: 60021 for reference; Task Chair; armless; synchro-tilt; five-star base with casters; 25.75" D x 40" H x 26" W; 250 lb weight capacity; 19" D x 19" W seat; 17" W back; black leather upholstery; HON Volt Series model #HON5703SB11T for reference; Task chair; armless; synchro-tilt; five-star base with casters, Adjustable foot ring; 29.5" D x 49.88" H x 27" W; 250 lb weight capacity; 18" D x 19" W seat; 17" W back; black leather upholstery; HON Volt Series model #HON5705SB11T for reference